Vermilion
#ED4321 · Vermilion
#ED4321 is Vermilion, a warm red color. It has an RGB value of 237, 67, 33 and a relative luminance of 0.221, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.22
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
3.87:1
AA normal✕
AA large✓
AAA normal✕
On black
The quick fox
5.43:1
AA normal✓
AA large✓
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #ED4321?
#ED4321 is Vermilion, a warm red color. In RGB it is 237, 67, 33, and in HSL it is 10°, 85%, 53%.
Is #ED4321 a light or dark color?
#ED4321 has a relative luminance of 0.221, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #ED4321?
Its complementary color is #21CBED. For softer combinations, try the analogous or split-complementary harmonies shown above.