Cobalt
#381FC7 · Cobalt
#381FC7 is Cobalt, a cool blue color. It has an RGB value of 56, 31, 199 and a relative luminance of 0.059, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.06
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
9.59:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.19:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #381FC7?
#381FC7 is Cobalt, a cool blue color. In RGB it is 56, 31, 199, and in HSL it is 249°, 73%, 45%.
Is #381FC7 a light or dark color?
#381FC7 has a relative luminance of 0.059, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #381FC7?
Its complementary color is #ADC71F. For softer combinations, try the analogous or split-complementary harmonies shown above.