Charcoal
#310D0D · Charcoal
#310D0D is Charcoal, a warm red color. It has an RGB value of 49, 13, 13 and a relative luminance of 0.010, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.01
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
17.59:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.19:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #310D0D?
#310D0D is Charcoal, a warm red color. In RGB it is 49, 13, 13, and in HSL it is 0°, 58%, 12%.
Is #310D0D a light or dark color?
#310D0D has a relative luminance of 0.010, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #310D0D?
Its complementary color is #0D3030. For softer combinations, try the analogous or split-complementary harmonies shown above.