Cobalt
#42219C · Cobalt
#42219C is Cobalt, a cool violet color. It has an RGB value of 66, 33, 156 and a relative luminance of 0.046, making it a dark surface.
Temperature
❄ Cool
Hue family
violet
Luminance
0.05
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
10.89:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.93:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #42219C?
#42219C is Cobalt, a cool violet color. In RGB it is 66, 33, 156, and in HSL it is 256°, 65%, 37%.
Is #42219C a light or dark color?
#42219C has a relative luminance of 0.046, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #42219C?
Its complementary color is #7B9C21. For softer combinations, try the analogous or split-complementary harmonies shown above.