ColorXprez

#211C19

Onyx · very dark neutral

About #211C19

#211C19 is a near-neutral, very dark shade in the brown family. On screen it is built from 13% red, 11% green and 10% blue; for print, its CMYK mix is 0% cyan, 15% magenta, 24% 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 6.6); Jet comes next. Its complementary colour, directly opposite on the colour wheel, is #191E21 — a onyx tone that gives the strongest contrast in hue.

Designers tend to use very dark tones like #211C19 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 16.87:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (16.87:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red33
Green28
Blue25

Closest named colours

Onyx
#111111 · ΔE 6.6
Jet
#2B2B2B · ΔE 7.6
Black
#000000 · ΔE 11.3

ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.

Text on #211C19

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on onyx #211C19.
16.87:1AAA
Black heading text
Body copy set on onyx #211C19.
1.24:1Fail

Colour-blindness preview

How #211C19 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#211C19
Protanopia (no red cones)
#1D1C19
Deuteranopia (no green cones)
#1F1D19
Tritanopia (no blue cones)
#231B1B

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #211C19?

#211C19 is a near-neutral, very dark shade in the brown family. On screen it is built from 13% red, 11% green and 10% blue; for print, its CMYK mix is 0% cyan, 15% magenta, 24% 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 #211C19?

Use white text. White on #211C19 has a contrast ratio of 16.87:1 (AAA).

›What colours go with #211C19?

Its complementary colour is #191E21, and analogous partners are #21191A and #212019.