#3D404E
Charcoal · dark cool blue
About #3D404E
#3D404E is a muted, dark shade in the blue family. On screen it is built from 24% red, 25% green and 31% blue; for print, its CMYK mix is 22% cyan, 18% magenta, 0% yellow and 69% black. Its overall feel is cool.
Of the common colour names it is very close to Charcoal (ΔE 5.7); Gunmetal comes next. Its complementary colour, directly opposite on the colour wheel, is #4E4B3D — a umber tone that gives the strongest contrast in hue.
Designers tend to use dark tones like #3D404E for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 10.29:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (10.29:1).
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 #3D404E
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #3D404E 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 #3D404E?
#3D404E is a muted, dark shade in the blue family. On screen it is built from 24% red, 25% green and 31% blue; for print, its CMYK mix is 22% cyan, 18% magenta, 0% yellow and 69% black. Its overall feel is cool.
›What text colour should I use on #3D404E?
Use white text. White on #3D404E has a contrast ratio of 10.29:1 (AAA).
›What colours go with #3D404E?
Its complementary colour is #4E4B3D, and analogous partners are #3D484E and #433D4E.