The hex color #bd3f1f is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#42C0E0. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#F07252, and Hex
#8A0C00 is the 20% darker color. If the color is saturated by 10%, you get
#C63C19. If the color is desaturated by 10%, the color
#B44225 is obtained.