Plum
#A21A1A · Plum
#A21A1A is Plum, a warm red color. It has an RGB value of 162, 26, 26 and a relative luminance of 0.085, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.08
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.78:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.70:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #A21A1A?
#A21A1A is Plum, a warm red color. In RGB it is 162, 26, 26, and in HSL it is 0°, 72%, 37%.
Is #A21A1A a light or dark color?
#A21A1A has a relative luminance of 0.085, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #A21A1A?
Its complementary color is #1AA2A2. For softer combinations, try the analogous or split-complementary harmonies shown above.