Plum
#A51818 · Plum
#A51818 is Plum, a warm red color. It has an RGB value of 165, 24, 24 and a relative luminance of 0.087, 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
7.65:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.74:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #A51818?
#A51818 is Plum, a warm red color. In RGB it is 165, 24, 24, and in HSL it is 0°, 75%, 37%.
Is #A51818 a light or dark color?
#A51818 has a relative luminance of 0.087, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #A51818?
Its complementary color is #18A5A5. For softer combinations, try the analogous or split-complementary harmonies shown above.