Charcoal
#0D2531 · Charcoal
#0D2531 is Charcoal, a cool blue color. It has an RGB value of 13, 37, 49 and a relative luminance of 0.016, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.02
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
15.84:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.33:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #0D2531?
#0D2531 is Charcoal, a cool blue color. In RGB it is 13, 37, 49, and in HSL it is 200°, 58%, 12%.
Is #0D2531 a light or dark color?
#0D2531 has a relative luminance of 0.016, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0D2531?
Its complementary color is #30190D. For softer combinations, try the analogous or split-complementary harmonies shown above.