#213638
Gunmetal · dark cool teal
About #213638
#213638 is a muted, dark shade in the teal family. On screen it is built from 13% red, 21% green and 22% blue; for print, its CMYK mix is 41% cyan, 4% magenta, 0% yellow and 78% black. Its overall feel is cool.
Of the common colour names it is very close to Gunmetal (ΔE 4.9); Graphite comes next. Its complementary colour, directly opposite on the colour wheel, is #382321 — a espresso tone that gives the strongest contrast in hue.
Designers tend to use dark tones like #213638 for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 12.73:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (12.73:1).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #213638
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #213638 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 #213638?
#213638 is a muted, dark shade in the teal family. On screen it is built from 13% red, 21% green and 22% blue; for print, its CMYK mix is 41% cyan, 4% magenta, 0% yellow and 78% black. Its overall feel is cool.
›What text colour should I use on #213638?
Use white text. White on #213638 has a contrast ratio of 12.73:1 (AAA).
›What colours go with #213638?
Its complementary colour is #382321, and analogous partners are #21382E and #212B38.