Cobalt
#150ED8 · Cobalt
#150ED8 is Cobalt, a cool blue color. It has an RGB value of 21, 14, 216 and a relative luminance of 0.054, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.05
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
10.07:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.09:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #150ED8?
#150ED8 is Cobalt, a cool blue color. In RGB it is 21, 14, 216, and in HSL it is 242°, 88%, 45%.
Is #150ED8 a light or dark color?
#150ED8 has a relative luminance of 0.054, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #150ED8?
Its complementary color is #D1D80E. For softer combinations, try the analogous or split-complementary harmonies shown above.