Cobalt
#151E79 · Cobalt
#151E79 is Cobalt, a cool blue color. It has an RGB value of 21, 30, 121 and a relative luminance of 0.025, 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
14.06:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.49:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #151E79?
#151E79 is Cobalt, a cool blue color. In RGB it is 21, 30, 121, and in HSL it is 235°, 70%, 28%.
Is #151E79 a light or dark color?
#151E79 has a relative luminance of 0.025, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #151E79?
Its complementary color is #797115. For softer combinations, try the analogous or split-complementary harmonies shown above.