#688AA2
Slate Gray · medium cool blue
About #688AA2
#688AA2 is a muted, medium shade in the blue family. On screen it is built from 41% red, 54% green and 64% blue; for print, its CMYK mix is 36% cyan, 15% magenta, 0% yellow and 36% black. Its overall feel is cool.
Of the common colour names it is very close to Slate Gray (ΔE 7.6); Dusty Blue comes next. Its complementary colour, directly opposite on the colour wheel, is #A28068 — a mocha mousse tone that gives the strongest contrast in hue.
Designers tend to use medium tones like #688AA2 for illustrations, icons and secondary elements. Black text reads best on it at 5.75:1 (a WCAG AA pass).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #688AA2
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #688AA2 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 #688AA2?
#688AA2 is a muted, medium shade in the blue family. On screen it is built from 41% red, 54% green and 64% blue; for print, its CMYK mix is 36% cyan, 15% magenta, 0% yellow and 36% black. Its overall feel is cool.
›What text colour should I use on #688AA2?
Use black text. Black on #688AA2 has a contrast ratio of 5.75:1 (AA).
›What colours go with #688AA2?
Its complementary colour is #A28068, and analogous partners are #68A29D and #686DA2.