Charcoal
#042B39 · Charcoal
#042B39 is Charcoal, a cool cyan color. It has an RGB value of 4, 43, 57 and a relative luminance of 0.020, making it a dark surface.
Temperature
❄ Cool
Hue family
cyan
Luminance
0.02
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
14.90:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.41:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #042B39?
#042B39 is Charcoal, a cool cyan color. In RGB it is 4, 43, 57, and in HSL it is 196°, 87%, 12%.
Is #042B39 a light or dark color?
#042B39 has a relative luminance of 0.020, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #042B39?
Its complementary color is #391204. For softer combinations, try the analogous or split-complementary harmonies shown above.