ColorXprez

#172011

Onyx · very dark cool black

About #172011

With the hex code #172011, this is a very dark black with a muted character. Its RGB recipe is 9% red, 13% green and 7% blue, while a printer would mix 28% cyan, 0% magenta, 47% yellow and 87% black. It reads as a cool colour.

If you had to name it, it is similar to Onyx — a ΔE of 13.0 — followed by Jet. For maximum hue contrast, pair it with its complement #1A1120, 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 — 16.78:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (16.78:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red23
Green32
Blue17

Closest named colours

Onyx
#111111 · ΔE 13.0
Jet
#2B2B2B · ΔE 13.3
Dark Green
#013220 · ΔE 14.9

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

Text on #172011

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on onyx #172011.
16.78:1AAA
Black heading text
Body copy set on onyx #172011.
1.25:1Fail

Colour-blindness preview

How #172011 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#172011
Protanopia (no red cones)
#211E10
Deuteranopia (no green cones)
#201D12
Tritanopia (no blue cones)
#171F1C

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #172011?

With the hex code #172011, this is a very dark black with a muted character. Its RGB recipe is 9% red, 13% green and 7% blue, while a printer would mix 28% cyan, 0% magenta, 47% yellow and 87% black. It reads as a cool colour.

›What text colour should I use on #172011?

Use white text. White on #172011 has a contrast ratio of 16.78:1 (AAA).

›What colours go with #172011?

Its complementary colour is #1A1120, and analogous partners are #1E2011 and #112012.