Plum
#A51F18 · Plum
#A51F18 is Plum, a warm red color. It has an RGB value of 165, 31, 24 and a relative luminance of 0.090, making it a dark surface.
Temperature
☀ Warm
Hue family
red
Luminance
0.09
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.48:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.81:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #A51F18?
#A51F18 is Plum, a warm red color. In RGB it is 165, 31, 24, and in HSL it is 3°, 75%, 37%.
Is #A51F18 a light or dark color?
#A51F18 has a relative luminance of 0.090, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #A51F18?
Its complementary color is #189EA5. For softer combinations, try the analogous or split-complementary harmonies shown above.