The hex color #b83e5c is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#47C1A3. The grayscale version is
#717171. A 20% lighter version of the original color is
#EB718F, and Hex
#850B29 is the 20% darker color. If the color is saturated by 10%, you get
#BF395A. If the color is desaturated by 10%, the color
#B1435E is obtained.