Charcoal
#2F3037 · Charcoal
#2F3037 is Charcoal, a cool blue color. It has an RGB value of 47, 48, 55 and a relative luminance of 0.030, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.03
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
13.13:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.60:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #2F3037?
#2F3037 is Charcoal, a cool blue color. In RGB it is 47, 48, 55, and in HSL it is 233°, 8%, 20%.
Is #2F3037 a light or dark color?
#2F3037 has a relative luminance of 0.030, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #2F3037?
Its complementary color is #37362F. For softer combinations, try the analogous or split-complementary harmonies shown above.