Cobalt
#124DAB · Cobalt
#124DAB is Cobalt, a cool blue color. It has an RGB value of 18, 77, 171 and a relative luminance of 0.084, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.08
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.85:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.68:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #124DAB?
#124DAB is Cobalt, a cool blue color. In RGB it is 18, 77, 171, and in HSL it is 217°, 81%, 37%.
Is #124DAB a light or dark color?
#124DAB has a relative luminance of 0.084, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #124DAB?
Its complementary color is #AB7012. For softer combinations, try the analogous or split-complementary harmonies shown above.