ColorXprez

#54576B

Charcoal · dark cool blue

About #54576B

#54576B is a muted, dark shade in the blue family. On screen it is built from 33% red, 34% green and 42% blue; for print, its CMYK mix is 21% cyan, 19% magenta, 0% yellow and 58% black. Its overall feel is cool.

Of the common colour names it is similar to Charcoal (ΔE 12.0); Slate Gray comes next. Its complementary colour, directly opposite on the colour wheel, is #6B6854 — a umber tone that gives the strongest contrast in hue.

Designers tend to use dark tones like #54576B for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 7.11:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (7.11:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red84
Green87
Blue107

Closest named colours

Charcoal
#36454F · ΔE 12.0
Slate Gray
#708090 · ΔE 16.5
Eggplant
#614051 · ΔE 16.7

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

Text on #54576B

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on charcoal #54576B.
7.11:1AAA
Black heading text
Body copy set on charcoal #54576B.
2.95:1Fail

Colour-blindness preview

How #54576B appears to people with the three most common types of colour-vision deficiency.

Normal vision
#54576B
Protanopia (no red cones)
#52596C
Deuteranopia (no green cones)
#50576A
Tritanopia (no blue cones)
#4F5B5E

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #54576B?

#54576B is a muted, dark shade in the blue family. On screen it is built from 33% red, 34% green and 42% blue; for print, its CMYK mix is 21% cyan, 19% magenta, 0% yellow and 58% black. Its overall feel is cool.

›What text colour should I use on #54576B?

Use white text. White on #54576B has a contrast ratio of 7.11:1 (AAA).

›What colours go with #54576B?

Its complementary colour is #6B6854, and analogous partners are #54626B and #5C546B.