Cobalt
#224E9B · Cobalt
#224E9B is Cobalt, a cool blue color. It has an RGB value of 34, 78, 155 and a relative luminance of 0.082, 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
7.98:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.63:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #224E9B?
#224E9B is Cobalt, a cool blue color. In RGB it is 34, 78, 155, and in HSL it is 218°, 64%, 37%.
Is #224E9B a light or dark color?
#224E9B has a relative luminance of 0.082, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #224E9B?
Its complementary color is #9B6E22. For softer combinations, try the analogous or split-complementary harmonies shown above.