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Blue pigment

Pigments that give blue colour to paints, inks, and art from ancient times to today

No single value: Blue pigment is a material, and its colour varies. The background shows its family, blue.

Cake of indigo. Large piece approx. 2 cm. Used as indigo dye (blue jeans).
Photo: David Stroe, CC BY-SA 3.0, via Wikimedia Commons

Blue pigments are materials, often mineral-based, that provide blue colour in paints and inks. They include both natural and synthetic substances, such as indigo, ultramarine, Prussian blue, and copper phthalocyanine. Some, like lapis lazuli and Egyptian blue, have been valued since ancient times, while others, like YInMn Blue, are modern discoveries.

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  • Lapis lazuli was once ground for ultramarine, the most expensive blue pigment.
  • Egyptian blue is the first known synthetic blue pigment.
  • Indigo is now the main pigment for blue jeans.
  • Prussian blue revolutionised painting with its deep, affordable blue.
  • YInMn Blue was discovered as recently as 2009.

What colour is Blue pigment?

Blue pigments are substances that give a blue colour to paints, inks, textiles, and ceramics. They can be natural, such as those made from minerals like lapis lazuli and azurite, or synthetic, such as Prussian blue and copper phthalocyanine. These pigments are insoluble in water and are chosen for their stability, strength, and particular shade of blue. The range of blue pigments covers everything from deep, dark blues to lighter, turquoise tones.

Where does Blue pigment come from?

Some of the earliest blue pigments were found in Europe in the Final Palaeolithic era. Ancient Egyptians created Egyptian blue, the first synthetic blue pigment, while the Chinese developed Han blue. Lapis lazuli, mined mainly in Afghanistan, was ground to make ultramarine, a pigment once more valuable than gold. Over time, new synthetic blues like Prussian blue, cobalt blue, and YInMn Blue were invented, each with its own story and use.

How is Blue pigment made?

Natural blue pigments are often ground from minerals such as lapis lazuli or azurite. Synthetic pigments are made by chemical processes: Prussian blue is created by oxidising iron salts, cobalt blue by sintering cobalt oxide with alumina, and copper phthalocyanine by complex chemical synthesis. Indigo, though sometimes a dye, can be used as a pigment when made insoluble. Each pigment鈥檚 method gives it unique properties and uses.

Where Blue pigment is used

Blue pigments have been used in art, from ancient Egyptian tombs to Renaissance paintings and Japanese prints. They colour ceramics, such as Chinese porcelain, and textiles, most famously blue jeans dyed with indigo. Some, like copper phthalocyanine, are common in modern paints and inks. Others, such as Maya blue, played a role in rituals and murals in Mesoamerica.

Blue around the world

What the blue family means from country to country.

馃嚘馃嚝 Afghanistan

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 lazuli
馃嚘馃嚝 Afghanistan

The 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: Burqa
馃嚚馃嚭 Cuba

The 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 Cuba
馃嚛馃嚜 Germany

The 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 flower
馃嚛馃嚜 Germany

Prussian 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 blue
馃嚜馃嚞 Egypt

Ancient 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 blue

More on what blue means

Shades and relatives of Blue pigment

There are many blue pigments, each with its own shade and qualities. Ultramarine is a deep blue from lapis lazuli, while Prussian blue is darker and was cheaper to make. Cobalt blue is stable and used in ceramics and glass. Maya blue is turquoise and highly weather-resistant. Some pigments, like azurite, can darken over time, while others, like copper phthalocyanine, are valued for their lasting colour.

Questions people ask about Blue pigment

What is a blue pigment?

A blue pigment is a material, often mineral or synthetic, that gives blue colour to paints, inks, and other products. These pigments are insoluble in water and are used for their particular shade and stability.

Where does the name 'blue pigment' come from?

The term simply refers to any pigment that produces a blue colour. Specific pigments have their own names, such as ultramarine from lapis lazuli or Prussian blue from its place of invention.

What are some famous blue pigments?

Notable blue pigments include ultramarine (from lapis lazuli), Egyptian blue, Prussian blue, cobalt blue, indigo, copper phthalocyanine, and Maya blue.

How are blue pigments made?

Some are ground from minerals like lapis lazuli or azurite. Others are made by chemical processes, such as Prussian blue from iron salts or cobalt blue from cobalt and alumina.

Where have blue pigments been used?

Blue pigments have coloured art, ceramics, textiles, and even food. They appear in ancient Egyptian tombs, Renaissance paintings, Chinese porcelain, and modern blue jeans.

Good reading and sources

Where this page comes from

The facts on this page come from the Wikipedia article "Blue pigments", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). Rang rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.

It may contain mistakes. The swatch is an approximation: named colours are not fixed standards, and every screen shows them a little differently. If something is wrong, tell us. Last refreshed 2026-10-03.

Photo credits on this page

The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.

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