Charcoal
#180C5A · Charcoal
#180C5A is Charcoal, a cool blue color. It has an RGB value of 24, 12, 90 and a relative luminance of 0.012, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.01
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
16.95:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.24:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #180C5A?
#180C5A is Charcoal, a cool blue color. In RGB it is 24, 12, 90, and in HSL it is 249°, 76%, 20%.
Is #180C5A a light or dark color?
#180C5A has a relative luminance of 0.012, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #180C5A?
Its complementary color is #4E5A0C. For softer combinations, try the analogous or split-complementary harmonies shown above.