Crimson
#D21433 · Crimson
#D21433 is Crimson, a warm red color. It has an RGB value of 210, 20, 51 and a relative luminance of 0.144, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.14
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
5.40:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.89:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #D21433?
#D21433 is Crimson, a warm red color. In RGB it is 210, 20, 51, and in HSL it is 350°, 83%, 45%.
Is #D21433 a light or dark color?
#D21433 has a relative luminance of 0.144, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #D21433?
Its complementary color is #14D2B2. For softer combinations, try the analogous or split-complementary harmonies shown above.