Cobalt
#125EAB · Cobalt
#125EAB is Cobalt, a cool blue color. It has an RGB value of 18, 94, 171 and a relative luminance of 0.111, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.11
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.53:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.21:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #125EAB?
#125EAB is Cobalt, a cool blue color. In RGB it is 18, 94, 171, and in HSL it is 210°, 81%, 37%.
Is #125EAB a light or dark color?
#125EAB has a relative luminance of 0.111, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #125EAB?
Its complementary color is #AB5E12. For softer combinations, try the analogous or split-complementary harmonies shown above.