Cobalt
#152DA8 · Cobalt
#152DA8 is Cobalt, a cool blue color. It has an RGB value of 21, 45, 168 and a relative luminance of 0.049, 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
10.65:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.97:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #152DA8?
#152DA8 is Cobalt, a cool blue color. In RGB it is 21, 45, 168, and in HSL it is 230°, 78%, 37%.
Is #152DA8 a light or dark color?
#152DA8 has a relative luminance of 0.049, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #152DA8?
Its complementary color is #A88F15. For softer combinations, try the analogous or split-complementary harmonies shown above.