#040307
Black · very dark neutral
About #040307
#040307 is a near-neutral, very dark shade in the black family. On screen it is built from 2% red, 1% green and 3% blue; for print, its CMYK mix is 43% cyan, 57% magenta, 0% yellow and 97% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.
Of the common colour names it is virtually identical to Black (ΔE 1.9); Onyx comes next. Its complementary colour, directly opposite on the colour wheel, is #060703 — a black tone that gives the strongest contrast in hue.
Designers tend to use very dark tones like #040307 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 20.56:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (20.56:1).
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 #040307
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #040307 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 #040307?
#040307 is a near-neutral, very dark shade in the black family. On screen it is built from 2% red, 1% green and 3% blue; for print, its CMYK mix is 43% cyan, 57% magenta, 0% yellow and 97% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.
›What text colour should I use on #040307?
Use white text. White on #040307 has a contrast ratio of 20.56:1 (AAA).
›What colours go with #040307?
Its complementary colour is #060703, and analogous partners are #030407 and #060307.