The hex color #bf100e is a dark color. The web-safe version is Hex
#CC0000. A complementary color is
#40EFF1. The grayscale version is
#4A4A4A. A 20% lighter version of the original color is
#F24341, and Hex
#8C0000 is the 20% darker color. If the color is saturated by 10%, you get
#CB0A08. If the color is desaturated by 10%, the color
#B31614 is obtained.