The hex color #AF252B is a dark color. The web-safe version is Hex
#993333. A complementary color is
#50DAD4. The grayscale version is
#555555. A 20% lighter version of the original color is
#E2585E, and Hex
#7C0000 is the 20% darker color. If the color is saturated by 10%, you get
#B82027. If the color is desaturated by 10%, the color
#A62A2F is obtained.