#424B5B
Charcoal · dark cool blue
About #424B5B
#424B5B is a dark, muted blue colour. Digitally that works out to 26% red, 29% green and 36% blue. In CMYK print terms it is 27% cyan, 18% magenta, 0% yellow and 64% black. Most people will perceive it as cool.
Visually it is very close to Charcoal (ΔE 5.7), with Gunmetal the next nearest named colour. Across the colour wheel sits #5B5242 (umber), its complementary partner.
Because it is dark, it is most useful for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 8.79:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (8.79:1).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #424B5B
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #424B5B 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 #424B5B?
#424B5B is a dark, muted blue colour. Digitally that works out to 26% red, 29% green and 36% blue. In CMYK print terms it is 27% cyan, 18% magenta, 0% yellow and 64% black. Most people will perceive it as cool.
›What text colour should I use on #424B5B?
Use white text. White on #424B5B has a contrast ratio of 8.79:1 (AAA).
›What colours go with #424B5B?
Its complementary colour is #5B5242, and analogous partners are #42585B and #46425B.