Cobalt
#18137C · Cobalt
#18137C is Cobalt, a cool blue color. It has an RGB value of 24, 19, 124 and a relative luminance of 0.021, 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
14.76:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.42:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #18137C?
#18137C is Cobalt, a cool blue color. In RGB it is 24, 19, 124, and in HSL it is 243°, 73%, 28%.
Is #18137C a light or dark color?
#18137C has a relative luminance of 0.021, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #18137C?
Its complementary color is #767C13. For softer combinations, try the analogous or split-complementary harmonies shown above.