Cobalt
#18008F · Cobalt
#18008F is Cobalt, a cool violet color. It has an RGB value of 24, 0, 143 and a relative luminance of 0.022, making it a dark surface.
Temperature
❄ Cool
Hue family
violet
Luminance
0.02
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
14.63:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.44:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #18008F?
#18008F is Cobalt, a cool violet color. In RGB it is 24, 0, 143, and in HSL it is 250°, 100%, 28%.
Is #18008F a light or dark color?
#18008F has a relative luminance of 0.022, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #18008F?
Its complementary color is #778F00. For softer combinations, try the analogous or split-complementary harmonies shown above.