Cobalt
#3B137C · Cobalt
#3B137C is Cobalt, a cool violet color. It has an RGB value of 59, 19, 124 and a relative luminance of 0.029, making it a dark surface.
Temperature
❄ Cool
Hue family
violet
Luminance
0.03
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
13.37:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.57:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #3B137C?
#3B137C is Cobalt, a cool violet color. In RGB it is 59, 19, 124, and in HSL it is 263°, 73%, 28%.
Is #3B137C a light or dark color?
#3B137C has a relative luminance of 0.029, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #3B137C?
Its complementary color is #547C13. For softer combinations, try the analogous or split-complementary harmonies shown above.