Charcoal
#052539 · Charcoal
#052539 is Charcoal, a cool blue color. It has an RGB value of 5, 37, 57 and a relative luminance of 0.017, 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
15.79:1
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 #052539?
#052539 is Charcoal, a cool blue color. In RGB it is 5, 37, 57, and in HSL it is 203°, 84%, 12%.
Is #052539 a light or dark color?
#052539 has a relative luminance of 0.017, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #052539?
Its complementary color is #381905. For softer combinations, try the analogous or split-complementary harmonies shown above.