Cobalt
#231A74 · Cobalt
#231A74 is Cobalt, a cool blue color. It has an RGB value of 35, 26, 116 and a relative luminance of 0.024, 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
14.27:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.47:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #231A74?
#231A74 is Cobalt, a cool blue color. In RGB it is 35, 26, 116, and in HSL it is 246°, 63%, 28%.
Is #231A74 a light or dark color?
#231A74 has a relative luminance of 0.024, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #231A74?
Its complementary color is #6B741A. For softer combinations, try the analogous or split-complementary harmonies shown above.