#3F565A
Charcoal · dark cool teal
About #3F565A
#3F565A is a muted, dark shade in the teal family. On screen it is built from 25% red, 34% green and 35% blue; for print, its CMYK mix is 30% cyan, 4% magenta, 0% yellow and 65% black. Its overall feel is cool.
Of the common colour names it is similar to Charcoal (ΔE 8.3); Dark Teal comes next. Its complementary colour, directly opposite on the colour wheel, is #5A433F — a walnut tone that gives the strongest contrast in hue.
Designers tend to use dark tones like #3F565A for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 7.81:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (7.81:1).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #3F565A
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #3F565A 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 #3F565A?
#3F565A is a muted, dark shade in the teal family. On screen it is built from 25% red, 34% green and 35% blue; for print, its CMYK mix is 30% cyan, 4% magenta, 0% yellow and 65% black. Its overall feel is cool.
›What text colour should I use on #3F565A?
Use white text. White on #3F565A has a contrast ratio of 7.81:1 (AAA).
›What colours go with #3F565A?
Its complementary colour is #5A433F, and analogous partners are #3F5A51 and #3F495A.