#C9CAEE
Periwinkle · very light cool blue
About #C9CAEE
#C9CAEE is a muted, very light shade in the blue family. On screen it is built from 79% red, 79% green and 93% blue; for print, its CMYK mix is 16% cyan, 15% magenta, 0% yellow and 7% black. Its overall feel is cool.
Of the common colour names it is similar to Periwinkle (ΔE 8.0); Thistle comes next. Its complementary colour, directly opposite on the colour wheel, is #EEEDC9 — a beige tone that gives the strongest contrast in hue.
Designers tend to use very light tones like #C9CAEE for backgrounds, page sections and subtle cards. Black text reads best on it at 13.17:1 (a WCAG AAA pass).
Colour codes
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #C9CAEE
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #C9CAEE appears to people with the three most common types of colour-vision deficiency.
Shades, tints & matching colours
Similar colours
Frequently asked questions
›What colour is #C9CAEE?
#C9CAEE is a muted, very light shade in the blue family. On screen it is built from 79% red, 79% green and 93% blue; for print, its CMYK mix is 16% cyan, 15% magenta, 0% yellow and 7% black. Its overall feel is cool.
›What text colour should I use on #C9CAEE?
Use black text. Black on #C9CAEE has a contrast ratio of 13.17:1 (AAA).
›What colours go with #C9CAEE?
Its complementary colour is #EEEDC9, and analogous partners are #C9DDEE and #DAC9EE.