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Rang

The colour lab

Close to Blue yonder

What is this colour called?

The closest names in the swatch book, nearest first. The number is the distance in CIE Lab space: under 2 is hard to tell apart by eye.

Blue yonder#5072A712.3 Liberty#545AA712.3 Middle blue purple#8B72BE13.2 Sapphire (Crayola)#2D5DA113.4 Glaucous#6082B613.4 Violet-blue (Crayola)#766EC814.2 Green-blue#1164B414.8 Spanish blue#0070B815.1 French blue#0072BB15.1 Purple mountain majesty#9678B615.4 Cornflower blue#6495ED15.6 cornflowerblue#6495ED15.6

Harmonies

ComplementaryIts opposite on the wheel

#6776BC #BCAC67

AnalogousIts neighbours

#6776BC #67A1BC #8267BC

TriadicThree evenly spaced

#6776BC #BC6776 #76BC67

Split complementaryEither side of its opposite

#6776BC #BC8267 #A1BC67

TintsLighter

#6776BC #98A3D2 #CACFE8 #F1F3F8

ShadesDarker

#6776BC #4656A0 #333F75 #21284A

Contrast with text

White text 4.29:1large text only

Black text 4.89:1passes AA

Ratios follow the WCAG 2 formula. 4.5:1 is the usual minimum for body text.

Through colour-blind eyes

Typical vision

Protanopia

Deuteranopia

Tritanopia

No colour

A simulation. Real colour vision varies from person to person.

The weekly palette

Every Monday: seven colours you may not know, what the world is wearing this week, and one idea about colour.