The hex color #c3291c is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#3CD6E3. The grayscale version is
#585858. A 20% lighter version of the original color is
#F65C4F, and Hex
#900000 is the 20% darker color. If the color is saturated by 10%, you get
#CE2416. If the color is desaturated by 10%, the color
#B82E22 is obtained.