#232F37
Gunmetal · very dark neutral
About #232F37
#232F37 is a near-neutral, very dark shade in the blue family. On screen it is built from 14% red, 18% green and 22% blue; for print, its CMYK mix is 36% cyan, 15% magenta, 0% yellow and 78% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.
Of the common colour names it is very close to Gunmetal (ΔE 3.2); Jet comes next. Its complementary colour, directly opposite on the colour wheel, is #372B23 — a espresso tone that gives the strongest contrast in hue.
Designers tend to use very dark tones like #232F37 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 13.70:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (13.70:1).
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 #232F37
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #232F37 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 #232F37?
#232F37 is a near-neutral, very dark shade in the blue family. On screen it is built from 14% red, 18% green and 22% blue; for print, its CMYK mix is 36% cyan, 15% magenta, 0% yellow and 78% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.
›What text colour should I use on #232F37?
Use white text. White on #232F37 has a contrast ratio of 13.70:1 (AAA).
›What colours go with #232F37?
Its complementary colour is #372B23, and analogous partners are #233735 and #232537.