#3F3D4E
Charcoal · dark cool blue
About #3F3D4E
#3F3D4E is a dark, muted blue colour. Digitally that works out to 25% red, 24% green and 31% blue. In CMYK print terms it is 19% cyan, 22% magenta, 0% yellow and 69% black. Most people will perceive it as cool.
Visually it is similar to Charcoal (ΔE 8.7), with Gunmetal the next nearest named colour. Across the colour wheel sits #4C4E3D (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 10.56:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (10.56:1).
Colour codes
| HEX | |
|---|---|
| RGB | |
| HSL | |
| HSV / HSB | |
| CMYK | |
| CIELAB | |
| Decimal | |
| CSS |
Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #3F3D4E
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #3F3D4E appears to people with the three most common types of colour-vision deficiency.
Shades, tints & matching colours
Similar colours
Frequently asked questions
›What colour is #3F3D4E?
#3F3D4E is a dark, muted blue colour. Digitally that works out to 25% red, 24% green and 31% blue. In CMYK print terms it is 19% cyan, 22% magenta, 0% yellow and 69% black. Most people will perceive it as cool.
›What text colour should I use on #3F3D4E?
Use white text. White on #3F3D4E has a contrast ratio of 10.56:1 (AAA).
›What colours go with #3F3D4E?
Its complementary colour is #4C4E3D, and analogous partners are #3D444E and #473D4E.