The hex color #c82b3c is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#37D4C3. The grayscale version is
#656565. A 20% lighter version of the original color is
#FB5E6F, and Hex
#950009 is the 20% darker color. If the color is saturated by 10%, you get
#D22538. If the color is desaturated by 10%, the color
#BE3140 is obtained.