Cobalt
#143AD2 · Cobalt
#143AD2 is Cobalt, a cool blue color. It has an RGB value of 20, 58, 210 and a relative luminance of 0.078, 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
8.19:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.57:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #143AD2?
#143AD2 is Cobalt, a cool blue color. In RGB it is 20, 58, 210, and in HSL it is 228°, 83%, 45%.
Is #143AD2 a light or dark color?
#143AD2 has a relative luminance of 0.078, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #143AD2?
Its complementary color is #D2AC14. For softer combinations, try the analogous or split-complementary harmonies shown above.