#373A4E
Charcoal · dark cool blue
About #373A4E
#373A4E is a muted, dark shade in the blue family. On screen it is built from 22% red, 23% green and 31% blue; for print, its CMYK mix is 29% cyan, 26% magenta, 0% yellow and 69% black. Its overall feel is cool.
Of the common colour names it is similar to Charcoal (ΔE 9.3); Gunmetal comes next. Its complementary colour, directly opposite on the colour wheel, is #4E4B37 — a umber tone that gives the strongest contrast in hue.
Designers tend to use dark tones like #373A4E for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 11.18:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (11.18:1).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #373A4E
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #373A4E 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 #373A4E?
#373A4E is a muted, dark shade in the blue family. On screen it is built from 22% red, 23% green and 31% blue; for print, its CMYK mix is 29% cyan, 26% magenta, 0% yellow and 69% black. Its overall feel is cool.
›What text colour should I use on #373A4E?
Use white text. White on #373A4E has a contrast ratio of 11.18:1 (AAA).
›What colours go with #373A4E?
Its complementary colour is #4E4B37, and analogous partners are #37464E and #3F374E.