Cobalt
#0721B6 · Cobalt
#0721B6 is Cobalt, a cool blue color. It has an RGB value of 7, 33, 182 and a relative luminance of 0.045, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.05
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
11.04:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.90:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #0721B6?
#0721B6 is Cobalt, a cool blue color. In RGB it is 7, 33, 182, and in HSL it is 231°, 93%, 37%.
Is #0721B6 a light or dark color?
#0721B6 has a relative luminance of 0.045, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0721B6?
Its complementary color is #B69C07. For softer combinations, try the analogous or split-complementary harmonies shown above.