The hex color #c8032e is a dark color. The web-safe version is Hex
#CC0033. A complementary color is
#37FCD1. The grayscale version is
#535353. A 20% lighter version of the original color is
#FB3661, and Hex
#950000 is the 20% darker color. If the color is saturated by 10%, you get
#D4002A. If the color is desaturated by 10%, the color
#BC0B32 is obtained.