Charcoal
#66001F · Charcoal
#66001F is Charcoal, a warm magenta color. It has an RGB value of 102, 0, 31 and a relative luminance of 0.029, making it a dark surface.
Temperature
☀ Warm
Hue family
magenta
Luminance
0.03
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
13.25:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.58:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #66001F?
#66001F is Charcoal, a warm magenta color. In RGB it is 102, 0, 31, and in HSL it is 342°, 100%, 20%.
Is #66001F a light or dark color?
#66001F 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 #66001F?
Its complementary color is #006647. For softer combinations, try the analogous or split-complementary harmonies shown above.