#1C1921
Onyx · very dark neutral
About #1C1921
#1C1921 is a near-neutral, very dark shade in the purple family. On screen it is built from 11% red, 10% green and 13% blue; for print, its CMYK mix is 15% cyan, 24% magenta, 0% yellow and 87% 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 Onyx (ΔE 7.5); Jet comes next. Its complementary colour, directly opposite on the colour wheel, is #1E2119 — a jet tone that gives the strongest contrast in hue.
Designers tend to use very dark tones like #1C1921 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 17.35:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (17.35:1).
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 #1C1921
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #1C1921 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 #1C1921?
#1C1921 is a near-neutral, very dark shade in the purple family. On screen it is built from 11% red, 10% green and 13% blue; for print, its CMYK mix is 15% cyan, 24% magenta, 0% yellow and 87% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.
›What text colour should I use on #1C1921?
Use white text. White on #1C1921 has a contrast ratio of 17.35:1 (AAA).
›What colours go with #1C1921?
Its complementary colour is #1E2119, and analogous partners are #191A21 and #201921.