Charcoal
#151D28 · Charcoal
#151D28 is Charcoal, a cool blue color. It has an RGB value of 21, 29, 40 and a relative luminance of 0.012, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.01
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
16.96:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.24:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #151D28?
#151D28 is Charcoal, a cool blue color. In RGB it is 21, 29, 40, and in HSL it is 215°, 31%, 12%.
Is #151D28 a light or dark color?
#151D28 has a relative luminance of 0.012, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #151D28?
Its complementary color is #282015. For softer combinations, try the analogous or split-complementary harmonies shown above.