Cobalt
#240EAF · Cobalt
#240EAF is Cobalt, a cool blue color. It has an RGB value of 36, 14, 175 and a relative luminance of 0.038, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.04
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
11.95:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.76:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #240EAF?
#240EAF is Cobalt, a cool blue color. In RGB it is 36, 14, 175, and in HSL it is 248°, 85%, 37%.
Is #240EAF a light or dark color?
#240EAF has a relative luminance of 0.038, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #240EAF?
Its complementary color is #99AF0E. For softer combinations, try the analogous or split-complementary harmonies shown above.