ColorXprez

#201719

Onyx · very dark neutral

About #201719

#201719 is a near-neutral, very dark shade in the red family. On screen it is built from 13% red, 9% green and 10% blue; for print, its CMYK mix is 0% cyan, 28% magenta, 22% 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 6.3); Jet comes next. Its complementary colour, directly opposite on the colour wheel, is #17201E — a jet tone that gives the strongest contrast in hue.

Designers tend to use very dark tones like #201719 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 17.53:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (17.53:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red32
Green23
Blue25

Closest named colours

Onyx
#111111 · ΔE 6.3
Jet
#2B2B2B · ΔE 10.0
Black
#000000 · ΔE 10.2

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

Text on #201719

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on onyx #201719.
17.53:1AAA
Black heading text
Body copy set on onyx #201719.
1.20:1Fail

Colour-blindness preview

How #201719 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#201719
Protanopia (no red cones)
#181819
Deuteranopia (no green cones)
#1A1A19
Tritanopia (no blue cones)
#221618

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #201719?

#201719 is a near-neutral, very dark shade in the red family. On screen it is built from 13% red, 9% green and 10% blue; for print, its CMYK mix is 0% cyan, 28% magenta, 22% 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 #201719?

Use white text. White on #201719 has a contrast ratio of 17.53:1 (AAA).

›What colours go with #201719?

Its complementary colour is #17201E, and analogous partners are #20171D and #201A17.