#100B09
Onyx · very dark neutral
About #100B09
With the hex code #100B09, this is a very dark black with a near-neutral character. Its RGB recipe is 6% red, 4% green and 4% blue, while a printer would mix 0% cyan, 31% magenta, 44% yellow and 94% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.
If you had to name it, it is virtually identical to Onyx — a ΔE of 2.5 — followed by Black. For maximum hue contrast, pair it with its complement #090E10, a onyx shade.
In design, a very dark colour like this works best for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 19.56:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (19.56:1).
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 #100B09
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #100B09 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 #100B09?
With the hex code #100B09, this is a very dark black with a near-neutral character. Its RGB recipe is 6% red, 4% green and 4% blue, while a printer would mix 0% cyan, 31% magenta, 44% yellow and 94% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.
›What text colour should I use on #100B09?
Use white text. White on #100B09 has a contrast ratio of 19.56:1 (AAA).
›What colours go with #100B09?
Its complementary colour is #090E10, and analogous partners are #10090A and #100E09.