#0D100E
Onyx · very dark neutral
About #0D100E
#0D100E is a very dark, near-neutral black colour. Digitally that works out to 5% red, 6% green and 5% blue. In CMYK print terms it is 19% cyan, 0% magenta, 12% yellow and 94% black. Being nearly neutral, it pairs easily with warm and cool tones alike.
Visually it is virtually identical to Onyx (ΔE 1.6), with Black the next nearest named colour. Across the colour wheel sits #100D0F (onyx), its complementary partner.
Because it is very dark, it is most useful for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 19.13:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (19.13:1).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #0D100E
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #0D100E 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 #0D100E?
#0D100E is a very dark, near-neutral black colour. Digitally that works out to 5% red, 6% green and 5% blue. In CMYK print terms it is 19% cyan, 0% magenta, 12% yellow and 94% black. Being nearly neutral, it pairs easily with warm and cool tones alike.
›What text colour should I use on #0D100E?
Use white text. White on #0D100E has a contrast ratio of 19.13:1 (AAA).
›What colours go with #0D100E?
Its complementary colour is #100D0F, and analogous partners are #0E100D and #0D1010.