The hex color #c72007 is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#38DFF8. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#FA533A, and Hex
#940000 is the 20% darker color. If the color is saturated by 10%, you get
#D31B00. If the color is desaturated by 10%, the color
#BB250E is obtained.