ColorXprez

#201B2B

Onyx · very dark cool purple

About #201B2B

With the hex code #201B2B, this is a very dark purple with a muted character. Its RGB recipe is 13% red, 11% green and 17% blue, while a printer would mix 26% cyan, 37% magenta, 0% yellow and 83% black. It reads as a cool colour.

If you had to name it, it is similar to Onyx — a ΔE of 13.4 — followed by Jet. For maximum hue contrast, pair it with its complement #262B1B, a jet 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 — 16.76:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (16.76:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red32
Green27
Blue43

Closest named colours

Onyx
#111111 · ΔE 13.4
Jet
#2B2B2B · ΔE 13.6
Gunmetal
#2A3439 · ΔE 14.8

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

Text on #201B2B

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on onyx #201B2B.
16.76:1AAA
Black heading text
Body copy set on onyx #201B2B.
1.25:1Fail

Colour-blindness preview

How #201B2B appears to people with the three most common types of colour-vision deficiency.

Normal vision
#201B2B
Protanopia (no red cones)
#171E2C
Deuteranopia (no green cones)
#181D2B
Tritanopia (no blue cones)
#1E1E21

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #201B2B?

With the hex code #201B2B, this is a very dark purple with a muted character. Its RGB recipe is 13% red, 11% green and 17% blue, while a printer would mix 26% cyan, 37% magenta, 0% yellow and 83% black. It reads as a cool colour.

›What text colour should I use on #201B2B?

Use white text. White on #201B2B has a contrast ratio of 16.76:1 (AAA).

›What colours go with #201B2B?

Its complementary colour is #262B1B, and analogous partners are #1B1E2B and #281B2B.