Blue
Lapis, indigo and the sea: ultramarine, cobalt, Prussian blue and the blues of denim and sky. 99 colours written up on Rang so far.
What blue means, country by country
64 countries. The same colour, read differently.
Lapis lazuli has been mined in the mountains of Badakhshan for more than six thousand years. Ground to powder it gave ultramarine, the costliest blue in European painting.
Royalty and powerSacred and holyAweSource: Lapis lazuliThe chadari is a full-length covering for women with a mesh panel over the eyes. In Kabul and the north it is most often a light blue.
Protection and healingSource: BurqaThe blue band of the flag stands for the wish of the Armenian people to live under peaceful skies. The red above it is for the highlands and the struggle to survive.
Politics and protestHopeSource: Flag of ArmeniaThe flag is sky blue, white and sky blue, created by Manuel Belgrano in 1812. National teams are called the Albiceleste, the white and sky blue.
Politics and protestPrideSource: Flag of ArgentinaBoca Juniors play in blue and gold. The club's story is that in 1907 it took the colours of the flag of the next ship into port, which was Swedish.
Festival and celebrationPrideSource: Boca JuniorsTo be true blue is to be honestly and loyally Australian. The phrase is older than the country, but Australians have made it their own.
Politics and protestTrustSource: True Blue (John Williamson song)The Torres Strait Islander flag has a blue band for the sea between green bands for the land. A white dhari, a dancer's headdress, sits at the centre.
Politics and protestNature and renewalSource: Torres Strait Islander flagLight blue and white are the colours of Iemanja, the sea goddess of Candomble and Umbanda. On 2 February in Salvador her followers send flowers and gifts out to sea.
Sacred and holyCalmSource: YemแปjaThe light blue of the flag stands for rain. In this dry country the word pula means rain, blessing and the national currency.
Nature and renewalLuck and prosperityHopeSource: Flag of BotswanaThe flag of Quebec, the Fleurdelise, is blue with a white cross and four white lilies. Blue is the colour of Quebec nationalism and of the Parti Quebecois.
Politics and protestPrideSource: Flag of QuebecThe flag is called La Estrella Solitaria, the lone star. Its blue square stands for the sky and the Pacific, white for the snow of the Andes and red for blood shed for independence.
Politics and protestPrideSource: Flag of ChileBlue is the colour of the Conservative Party, the old rival of the Liberals. Whole towns were once known as blue or red by the party they backed.
Politics and protestSource: Colombian Conservative PartyThe flag has three blue stripes for the three old departments of the island, two white ones for the purity of the cause, and a red triangle with a white star.
Politics and protestSource: Flag of CubaThe flag is white over red, the colours of Bohemia, with a blue wedge added in 1920 so that it could be told from the Polish flag.
Politics and protestSource: Flag of the Czech RepublicThe blue flower, die blaue Blume, comes from a novel by Novalis. It became the emblem of German Romanticism and stands for longing for what cannot be reached.
Love and desireNostalgiaSource: Blue flowerPrussian blue, one of the first modern synthetic pigments, was made by accident in Berlin in the early 1700s. It later coloured the coats of the Prussian army.
Nature and renewalSource: Prussian blueRoyal Copenhagen porcelain is hand-painted in cobalt blue on white. Its first pattern, Blue Fluted, has been made since the factory opened in 1775.
Royalty and powerSource: Royal CopenhagenThe flag is blue, black and white. Blue is for the sky, lakes and sea, black for the soil and the dark past, and white for snow, birch bark and hope.
Politics and protestNature and renewalHopeSource: Flag of EstoniaAncient craftsmen made Egyptian blue, one of the first synthetic pigments, and blue-glazed faience for amulets. Blue stood for the sky and the Nile.
Sacred and holyProtection and healingAweSource: Egyptian blueMany households hang a blue glass bead with an eye on it by the door or in the car to keep off the evil eye, known as hasad. Blue eye beads were already made in ancient Egypt.
Protection and healingSource: Nazar (amulet)The Falange, the fascist party of the Franco years, wore blue shirts, and its song Cara al Sol speaks of the new shirt. Today blue is the colour of the conservative People's Party.
Politics and protestSource: Falange Espaรฑola de las JONSThe blue disc at the centre of the flag, added in 1996, stands for peace. The star on it is for the unity and equality of the country's peoples.
Politics and protestTrustSource: Emblem of EthiopiaThe flag is a blue cross on white, called the Siniristilippu. The poet Zachris Topelius proposed the colours: blue for the lakes and white for the snow.
Politics and protestNature and renewalPrideSource: Flag of FinlandThe light blue field of the flag stands for the Pacific Ocean around the islands. It set the flag apart from the dark blue colonial ensign.
Politics and protestNature and renewalPrideSource: Flag of FijiBlue was the colour of the French kings, whose arms were gold lilies on blue. It is the first band of the tricolour, and national sports teams are called Les Bleus.
Politics and protestRoyalty and powerPrideSource: Bleu de France (colour)At Oxford and Cambridge a blue is the award given to those who represent the university in sport. Oxford's is dark blue and Cambridge's light blue, as worn in the Boat Race.
Festival and celebrationPrideSource: Blue (university sport)The flag is blue and white, with nine stripes and a white cross. The colours are usually read as the sea and sky and the white of the waves and clouds.
Politics and protestNature and renewalPrideSource: Flag of GreeceA blue glass eye, the mati, is worn on a chain or hung in homes and cars against the evil eye. Blue is held to be the colour that turns the harm back.
Protection and healingSource: Evil eyeThe flag has two sky-blue bands with white between. The blue stands for the Pacific and the Caribbean on either side of the land, and for the sky.
Politics and protestSource: Flag of GuatemalaThe flag is red, white and blue, the Pan-Slavic colours, with the chequered shield at the centre under a crown of five older regional arms.
Politics and protestSource: Flag of CroatiaBefore green took over, blue was the colour tied to Ireland and its patron saint. A shade called Saint Patrick's blue is still used on the President's flag behind the gold harp.
Sacred and holyRoyalty and powerSource: St. Patrick's blueThe flag is white with two blue stripes and a Star of David. The stripes recall the tallit, the Jewish prayer shawl, which is white with blue or black bands.
Sacred and holyPolitics and protestPrideSource: Flag of IsraelTekhelet is the blue dye the Torah commands for one thread of the fringes on a prayer shawl. The method was lost for centuries, and some Jews now use a dye made from sea snails.
Sacred and holyAweSource: TekheletKrishna, Rama and Vishnu are painted with blue skin, the colour of the sky and the deep sea. The wheel at the centre of the national flag, the Ashoka Chakra, is navy blue.
Sacred and holyAweSource: KrishnaBlue is the colour of Dalit politics. Followers of B. R. Ambedkar carry blue flags, and the Bahujan Samaj Party campaigns under a blue flag with an elephant.
Politics and protestPrideSource: Bahujan Samaj PartyThe Ishtar Gate of Babylon, built under Nebuchadnezzar II, was faced with deep blue glazed bricks set with bulls and dragons. The blue imitated lapis lazuli.
Sacred and holyProtection and healingAweSource: Ishtar GateThe flag is blue with a red cross edged in white. The colours are read as the three elements of the land: blue mountains, white ice and snow, and red volcanic fire.
Politics and protestNature and renewalPrideSource: Flag of IcelandNational sports teams play in blue and are called the Azzurri. Blue was the colour of the House of Savoy, which ruled Italy until 1946, and does not appear on the flag.
Royalty and powerFestival and celebrationPrideSource: National colours of ItalyIndigo dyeing, called aizome, clothed ordinary people in deep blue through the Edo period. The men's national football team plays in blue and is nicknamed Samurai Blue.
Festival and celebrationPrideSource: Japan national football teamIn Maasai beadwork each colour has a meaning tied to cattle and the land. Blue is the sky that gives rain, and so the colour of Enkai, God.
Sacred and holySource: Maasai peopleThe flag has blue bands above and below a red one, with Angkor Wat in white. Blue stands for the king, red for the nation and white for religion.
Royalty and powerPolitics and protestSource: Flag of CambodiaIn party politics the liberal Democratic Party campaigns in blue and the conservative People Power Party in red, the reverse of the usual left and right colours in Europe.
Politics and protestSource: People Power PartyThe flag is sky blue with a golden sun and a steppe eagle. Blue is the colour of the open sky, sacred to the Turkic peoples as Tengri.
Sacred and holyPolitics and protestPrideSource: Flag of KazakhstanThe flag has a wide blue band between two red ones, with a white disc. Blue is for the Mekong and for prosperity, and the disc for the full moon over the river.
Politics and protestSource: Flag of LaosBlue is the colour of the Sri Lanka Freedom Party, founded by S. W. R. D. Bandaranaike. The national cricket team also plays in dark blue with yellow.
Politics and protestSource: Sri Lanka Freedom PartyThe flag is blue, white and green: blue for rain, white for peace and green for prosperity.
Nature and renewalPolitics and protestHopeSource: Flag of LesothoThe old town of Chefchaouen in the Rif mountains is washed in shades of blue. The reasons given vary: a Jewish custom, keeping houses cool, or keeping mosquitoes away.
Protection and healingCalmSource: ChefchaouenFes is known for pottery painted in cobalt blue on white, called Fassi blue. In Marrakesh a strong ultramarine is named Majorelle blue after the garden where it was used.
Nature and renewalSource: Majorelle BlueTuareg men of the Sahara wear the tagelmust, a long veil and turban dyed with indigo. The dye rubs off on the skin, which is why they are called the blue people.
Protection and healingPrideSource: LithamThe khadag is a silk scarf offered as a mark of respect and tied to sacred cairns. The blue one is the most valued, for the eternal blue sky.
Sacred and holyAweSource: KhataMaya blue is a bright, lasting pigment made by heating indigo with a special clay. Maya painters used it on murals, pottery and offerings to the rain god.
Sacred and holySource: Maya blueThe flag has blue for the sky, the Atlantic and rain, red for the people, green for the land, and a golden sun for life and energy.
Politics and protestNature and renewalSource: Flag of NamibiaAdire is the indigo-dyed cloth of the Yoruba, made by women in Abeokuta and Ibadan. Patterns are tied, stitched or painted with cassava paste before the cloth goes into the dye.
Protection and healingSource: Adire (textile art)Delft blue is tin-glazed pottery painted in blue on white. Potters in Delft began making it in the 1600s as a cheaper answer to Chinese porcelain.
Nature and renewalSource: DelftwareThe blue border of the flag stands for peace. The crimson inside it is read as the bravery of the Nepali people.
Politics and protestCalmSource: Flag of NepalThe flag's blue stood for the Conservative Party and its red for the Liberals. The white ground stood for peace between them.
Politics and protestSource: Flag of PanamaThe blue band of the flag stands for peace, truth and justice. The exact shade has changed over the years and was fixed as royal blue by law in 1998.
Politics and protestSource: Flag of the PhilippinesBlue and white painted tiles, azulejos, cover churches, stations and house fronts. The fashion for blue on white took hold in the late 1600s under the influence of Chinese porcelain and Dutch Delft.
Sacred and holySource: AzulejoThe painted monastery of Voronet in Bukovina is covered in frescoes on a deep blue ground. The shade is known as Voronet blue.
Sacred and holyAweSource: Voroneศ MonasteryRussian has two basic words for blue: siniy for dark blue and goluboy for light blue. Speakers treat them as two colours, as English speakers treat red and pink.
Nature and renewalSource: Blueโgreen distinction in languageBlue in the swatch book
166 named values.
#7CB9E8Air superiority blue#72A0C1Alice blue#F0F8FFAzure#007FFFAzure (X11/web color)#F0FFFFBaby blue#89CFF0Baby blue eyes#A1CAF1Beau blue#BCD4E6B'dazzled blue#2E5894Blue (Munsell)#0093AFBleu de France#318CE7Blue#0000FFBlue (Crayola)#1F75FEBlue (pigment)#333399Blue bell#A2A2D0Blue-gray#6699CCBlue jeans#5DADECBlue sapphire#126180Blue yonder#5072A7Bluetiful#3C69E7Carolina blue#56A0D3Cerulean#007BA7Cerulean blue#2A52BECerulean frost#6D9BC3Cerulean (RGB)#0040FFColumbia Blue#B9D9EBConnor's Lakefront#175A6CCornflower blue#6495EDCosmic cobalt#2E2D88Dark electric blue#536878Dark sky blue#8CBED6Dark slate blue#483D8BDenim#1560BDDenim blue#2243B6Deep sky blue#00BFFFDodger blue#1E90FFDuke blue#00009CFrench blue#0072BBFrench sky blue#77B5FEGlaucous#6082B6Green-blue#1164B4Indigo dye#00416AHonolulu blue#006DB0Iceberg#71A6D2Independence#4C516DIndigo#6A5DFFInternational Klein Blue#130A8FLavender blue#CCCCFFLapis lazuli#26619CLavender (web)#E6E6FALiberty#545AA7Light blue#ADD8E6Light cornflower blue#93CCEALight periwinkle#C5CBE1Light sky blue#87CEFALittle boy blue#6CA0DCLivid#6699CCMajorelle blue#6050DCMarian blue#00488BMaximum blue#47ABCCBlue (NCS)#0087BDMaximum blue purple#ACACE6Maya blue#73C2FBMedium blue#0000CDMedium slate blue#7B68EEMorning blue#8DA399Navy blue#000080Navy blue (Crayola)#1974D2Neon blue#4666FFNew Car#214FC6Oxford blue#002147Pale aqua#BED3E5Pale cerulean#9BC4E2Payne's grey#536878Periwinkle#CCCCFFPeriwinkle (Crayola)#C3CDE6Persian blue#1C39BBPewter Blue#8BA8B7Phthalo blue#000F89Picotee blue#2E2787Plump Purple#5946B2Prussian blue#003153Resolution blue#002387Purple navy#4E5180Queen blue#436B95Royal blue (dark)#002366Royal blue (light)#4169E1Sapphire#0F52BASt. Patrick's blue#23297ASapphire blue#0067A5Sapphire (Crayola)#2D5DA1Shadow blue#778BA5Sky blue#87CEEBSlate blue#6A5ACDSpace cadet#1D2951Spanish blue#0070B8Star command blue#007BB8Steel blue#4682B4True Blue#2D68C4Trypan Blue#1C05B3Tufts blue#3E8EDEUA blue#0033AAUltramarine#120A8FUltramarine blue#4166F5United Nations blue#009EDBUranian blue#AFDBF5USAFA blue#004F98Vantg blue#5271FFViolet-blue#324AB2Weezy Blue#189BCCWild blue yonder#A2ADD0Yale Blue#00356BYInMn Blue#2E5090Zaffer (Zaffre)#0014A8Masuhana-iro่่ฑ่ฒ#4D646CHanada็ธน#044F67Noshimehana-iro็จๆ็ฎ่ฑ่ฒ#344D56Omeshionandoๅพกๅฌๅพก็ดๆธ#3D4C51Sora-iro็ฉบ่ฒ#4D8FACGunjล-iro็พค้่ฒ#5D8CAE
Blue
Lapis lazuli
A deep blue stone prized for jewellery and the source of ultramarine pigmentColour named from nature ยท ๐ฆ๐ซ Afghanistan +5
Blue
Azurite
A deep blue copper mineral once prized as a pigment and gemstonePigment ยท ๐ซ๐ท France +5

#120A8F
Ultramarine
A deep blue pigment once made from lapis lazuli, prized for centuries in artPigment ยท ๐ฆ๐ซ Afghanistan +2
#0047AB
Cobalt blue
A strong, stable blue pigment made from cobalt and alumina since the early 1800sPigment ยท ๐ซ๐ท France +3
#007BA7
Cerulean
A blue-green colour once made from cobalt stannate and linked with the skyNamed shade ยท ๐ฌ๐ง United Kingdom
#86A1A9
Tourmalineเถงเทเถปเถธเถฝเทเถฝเท
A mineral group prized for its rainbow of gemstone coloursColour named from nature ยท ๐ฑ๐ฐ Sri Lanka +5
Blue
Lazurite
A deep blue mineral that gives lapis lazuli its colourColour named from nature ยท ๐ฆ๐ซ Afghanistan +2
#0014A8
Zaffre
A deep blue pigment once made by roasting cobalt orePigment

#003399
Cobalt glass
A deep blue glass coloured with cobalt compounds, used in art and decoration for centuriesPigment ยท ๐ช๐ฌ Egypt +2
Blue
Azure spar
A partly obsolete name for several bright blue ornamental mineralsNamed shade
Blue
Azurite
A blue pigment ground from copper-rich mineral, common in medieval and Renaissance artPigment ยท ๐ช๐ฌ Egypt +2
#2072AF
Bice
A historic blue or green pigment once made from copper mineralsPigment
Photo credits on this page
The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.
- Tourmaline: Aurelienreys, CC BY-SA 3.0, source
- Lazurite: Didier Descouens, CC BY-SA 4.0, source
- Azurite: Ivar Leidus, CC BY-SA 4.0, source
- Cobalt glass: Unknown author, Public domain, source
- Ultramarine: Unknown author, Public domain, source
- Lapis lazuli: Adam Ognisty, CC BY-SA 3.0, source
- Azure spar: Eric Hunt, CC BY-SA 2.5, source
- Cerulean: Stephhzz, CC BY-SA 3.0, source
- Cobalt blue: FK1954, Public domain, source