Cobalt
#510E81 · Cobalt
#510E81 is Cobalt, a balanced violet color. It has an RGB value of 81, 14, 129 and a relative luminance of 0.036, making it a dark surface.
Temperature
◐ Balanced
Hue family
violet
Luminance
0.04
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
12.14:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.73:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #510E81?
#510E81 is Cobalt, a balanced violet color. In RGB it is 81, 14, 129, and in HSL it is 275°, 80%, 28%.
Is #510E81 a light or dark color?
#510E81 has a relative luminance of 0.036, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #510E81?
Its complementary color is #3E810E. For softer combinations, try the analogous or split-complementary harmonies shown above.