ColorXprez

#423D4E

Charcoal · dark cool purple

About #423D4E

#423D4E is a dark, muted purple colour. Digitally that works out to 26% red, 24% green and 31% blue. In CMYK print terms it is 15% cyan, 22% magenta, 0% yellow and 69% black. Most people will perceive it as cool.

Visually it is similar to Charcoal (ΔE 9.6), with Graphite the next nearest named colour. Across the colour wheel sits #494E3D (umber), its complementary partner.

Because it is dark, it is most useful for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 10.45:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (10.45:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red66
Green61
Blue78

Closest named colours

Charcoal
#36454F · ΔE 9.6
Graphite
#383838 · ΔE 11.8
Gunmetal
#2A3439 · ΔE 11.8

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

Text on #423D4E

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on charcoal #423D4E.
10.45:1AAA
Black heading text
Body copy set on charcoal #423D4E.
2.01:1Fail

Colour-blindness preview

How #423D4E appears to people with the three most common types of colour-vision deficiency.

Normal vision
#423D4E
Protanopia (no red cones)
#3A404F
Deuteranopia (no green cones)
#3A3F4D
Tritanopia (no blue cones)
#403F43

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #423D4E?

#423D4E is a dark, muted purple colour. Digitally that works out to 26% red, 24% green and 31% blue. In CMYK print terms it is 15% cyan, 22% magenta, 0% yellow and 69% black. Most people will perceive it as cool.

›What text colour should I use on #423D4E?

Use white text. White on #423D4E has a contrast ratio of 10.45:1 (AAA).

›What colours go with #423D4E?

Its complementary colour is #494E3D, and analogous partners are #3D414E and #4B3D4E.