#37313E
Gunmetal · dark cool gray
About #37313E
#37313E is a dark, muted gray colour. Digitally that works out to 22% red, 19% green and 24% blue. In CMYK print terms it is 11% cyan, 21% magenta, 0% yellow and 76% black. Most people will perceive it as cool.
Visually it is similar to Gunmetal (ΔE 9.0), with Graphite the next nearest named colour. Across the colour wheel sits #383E31 (graphite), 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 12.56:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (12.56:1).
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 #37313E
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #37313E 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 #37313E?
#37313E is a dark, muted gray colour. Digitally that works out to 22% red, 19% green and 24% blue. In CMYK print terms it is 11% cyan, 21% magenta, 0% yellow and 76% black. Most people will perceive it as cool.
›What text colour should I use on #37313E?
Use white text. White on #37313E has a contrast ratio of 12.56:1 (AAA).
›What colours go with #37313E?
Its complementary colour is #383E31, and analogous partners are #31323E and #3D313E.