The hex color #bc2b0b is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#43D4F4. The grayscale version is
#515151. A 20% lighter version of the original color is
#EF5E3E, and Hex
#890000 is the 20% darker color. If the color is saturated by 10%, you get
#C72704. If the color is desaturated by 10%, the color
#B12F12 is obtained.