The hex color #c63d15 is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#39C2EA. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#F97048, and Hex
#930A00 is the 20% darker color. If the color is saturated by 10%, you get
#D03A0E. If the color is desaturated by 10%, the color
#BC401C is obtained.