#39404E
Charcoal · dark cool blue
About #39404E
#39404E is a dark, muted blue colour. Digitally that works out to 22% red, 25% green and 31% blue. In CMYK print terms it is 27% cyan, 18% magenta, 0% yellow and 69% black. Most people will perceive it as cool.
Visually it is very close to Charcoal (ΔE 4.5), with Gunmetal the next nearest named colour. Across the colour wheel sits #4E4739 (umber), its complementary partner.
Because it is dark, it is most useful for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 10.41:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (10.41:1).
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 #39404E
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #39404E 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 #39404E?
#39404E is a dark, muted blue colour. Digitally that works out to 22% red, 25% green and 31% blue. In CMYK print terms it is 27% cyan, 18% magenta, 0% yellow and 69% black. Most people will perceive it as cool.
›What text colour should I use on #39404E?
Use white text. White on #39404E has a contrast ratio of 10.41:1 (AAA).
›What colours go with #39404E?
Its complementary colour is #4E4739, and analogous partners are #394B4E and #3D394E.