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Rang

The colour lab

Close to Blue (Munsell)

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 (Munsell)#0093AF5.6Maximum blue#47ABCC5.9Pacific blue#1CA9C96.5Sora-iro空色#4D8FAC8.5Cerulean (Crayola)#1DACD610.1Asagi-iro浅葱色#48929B11.4Blue (Weezer Blue Album cover)#189BCC12.7Weezy Blue#189BCC12.7Air superiority blue#72A0C113.3Air Force blue#5D8AA813.8Gunjō-iro群青色#5D8CAE14Horizon blue#7CA2B814.5

Harmonies

ComplementaryIts opposite on the wheel
AnalogousIts neighbours
TriadicThree evenly spaced
Split complementaryEither side of its opposite
TintsLighter
ShadesDarker

Contrast with text

White text 3.1:1large text only
Black text 6.78:1passes 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.