The hex color #c7380e is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#38C7F1. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#FA6B41, and Hex
#940500 is the 20% darker color. If the color is saturated by 10%, you get
#D23506. If the color is desaturated by 10%, the color
#BC3B16 is obtained.