Charcoal
#04233A · Charcoal
#04233A is Charcoal, a cool blue color. It has an RGB value of 4, 35, 58 and a relative luminance of 0.015, 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
16.07:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.31:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #04233A?
#04233A is Charcoal, a cool blue color. In RGB it is 4, 35, 58, and in HSL it is 206°, 87%, 12%.
Is #04233A a light or dark color?
#04233A has a relative luminance of 0.015, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #04233A?
Its complementary color is #391B04. For softer combinations, try the analogous or split-complementary harmonies shown above.