Vermilion
#ED4721 · Vermilion
#ED4721 is Vermilion, a warm red color. It has an RGB value of 237, 71, 33 and a relative luminance of 0.226, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.23
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
3.80:1
AA normal✕
AA large✓
AAA normal✕
On black
The quick fox
5.52:1
AA normal✓
AA large✓
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #ED4721?
#ED4721 is Vermilion, a warm red color. In RGB it is 237, 71, 33, and in HSL it is 11°, 85%, 53%.
Is #ED4721 a light or dark color?
#ED4721 has a relative luminance of 0.226, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #ED4721?
Its complementary color is #21C8ED. For softer combinations, try the analogous or split-complementary harmonies shown above.