The hex color #bc180f is a dark color. The web-safe version is Hex
#CC0000. A complementary color is
#43E7F0. The grayscale version is
#4C4C4C. A 20% lighter version of the original color is
#EF4B42, and Hex
#890000 is the 20% darker color. If the color is saturated by 10%, you get
#C71309. If the color is desaturated by 10%, the color
#B11D15 is obtained.