#151E29
Onyx · very dark cool blue
About #151E29
#151E29 is a muted, very dark shade in the blue family. On screen it is built from 8% red, 12% green and 16% blue; for print, its CMYK mix is 49% cyan, 27% magenta, 0% yellow and 84% black. Its overall feel is cool.
Of the common colour names it is similar to Onyx (ΔE 10.5); Jet comes next. Its complementary colour, directly opposite on the colour wheel, is #292015 — a espresso tone that gives the strongest contrast in hue.
Designers tend to use very dark tones like #151E29 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 16.81:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (16.81:1).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #151E29
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #151E29 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 #151E29?
#151E29 is a muted, very dark shade in the blue family. On screen it is built from 8% red, 12% green and 16% blue; for print, its CMYK mix is 49% cyan, 27% magenta, 0% yellow and 84% black. Its overall feel is cool.
›What text colour should I use on #151E29?
Use white text. White on #151E29 has a contrast ratio of 16.81:1 (AAA).
›What colours go with #151E29?
Its complementary colour is #292015, and analogous partners are #152829 and #161529.