#424D71
Prussian Blue · dark cool blue
About #424D71
#424D71 is a dark, muted blue colour. Digitally that works out to 26% red, 30% green and 44% blue. In CMYK print terms it is 42% cyan, 32% magenta, 0% yellow and 56% black. Most people will perceive it as cool.
Visually it is somewhere between Prussian Blue and Charcoal (ΔE 15.5), with Charcoal the next nearest named colour. Across the colour wheel sits #716642 (coffee), 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 — 8.29:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (8.29:1).
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 #424D71
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #424D71 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 #424D71?
#424D71 is a dark, muted blue colour. Digitally that works out to 26% red, 30% green and 44% blue. In CMYK print terms it is 42% cyan, 32% magenta, 0% yellow and 56% black. Most people will perceive it as cool.
›What text colour should I use on #424D71?
Use white text. White on #424D71 has a contrast ratio of 8.29:1 (AAA).
›What colours go with #424D71?
Its complementary colour is #716642, and analogous partners are #426471 and #4F4271.