#151D0F
Onyx · very dark cool black
About #151D0F
#151D0F is a muted, very dark shade in the black family. On screen it is built from 8% red, 11% green and 6% blue; for print, its CMYK mix is 28% cyan, 0% magenta, 48% yellow and 89% black. Its overall feel is cool.
Of the common colour names it is similar to Onyx (ΔE 11.4); Jet comes next. Its complementary colour, directly opposite on the colour wheel, is #170F1D — a onyx tone that gives the strongest contrast in hue.
Designers tend to use very dark tones like #151D0F for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 17.29:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (17.29:1).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #151D0F
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #151D0F 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 #151D0F?
#151D0F is a muted, very dark shade in the black family. On screen it is built from 8% red, 11% green and 6% blue; for print, its CMYK mix is 28% cyan, 0% magenta, 48% yellow and 89% black. Its overall feel is cool.
›What text colour should I use on #151D0F?
Use white text. White on #151D0F has a contrast ratio of 17.29:1 (AAA).
›What colours go with #151D0F?
Its complementary colour is #170F1D, and analogous partners are #1C1D0F and #0F1D10.