Charcoal
#02243B · Charcoal
#02243B is Charcoal, a cool blue color. It has an RGB value of 2, 36, 59 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
15.93:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.32:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #02243B?
#02243B is Charcoal, a cool blue color. In RGB it is 2, 36, 59, and in HSL it is 204°, 93%, 12%.
Is #02243B a light or dark color?
#02243B 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 #02243B?
Its complementary color is #3B1902. For softer combinations, try the analogous or split-complementary harmonies shown above.