The hex color #c7351e is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#38CAE1. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#FA6851, and Hex
#940200 is the 20% darker color. If the color is saturated by 10%, you get
#D23118. If the color is desaturated by 10%, the color
#BD3924 is obtained.