The hex color #bf182f is a dark color. The web-safe version is Hex
#CC0033. A complementary color is
#40E7D0. The grayscale version is
#575757. A 20% lighter version of the original color is
#F24B62, and Hex
#8C0000 is the 20% darker color. If the color is saturated by 10%, you get
#C9122B. If the color is desaturated by 10%, the color
#B51E33 is obtained.