#313D45
Charcoal · dark neutral
About #313D45
#313D45 is a near-neutral, dark shade in the blue family. On screen it is built from 19% red, 24% green and 27% blue; for print, its CMYK mix is 29% cyan, 12% magenta, 0% yellow and 73% 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 Charcoal (ΔE 3.7); Gunmetal comes next. Its complementary colour, directly opposite on the colour wheel, is #453931 — a espresso tone that gives the strongest contrast in hue.
Designers tend to use dark tones like #313D45 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 11.15:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (11.15:1).
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 #313D45
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #313D45 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 #313D45?
#313D45 is a near-neutral, dark shade in the blue family. On screen it is built from 19% red, 24% green and 27% blue; for print, its CMYK mix is 29% cyan, 12% magenta, 0% yellow and 73% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.
›What text colour should I use on #313D45?
Use white text. White on #313D45 has a contrast ratio of 11.15:1 (AAA).
›What colours go with #313D45?
Its complementary colour is #453931, and analogous partners are #314543 and #313345.