The hex color #B73B5E is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#48C4A1. The grayscale version is
#707070. A 20% lighter version of the original color is
#EA6E91, and Hex
#84082B is the 20% darker color. If the color is saturated by 10%, you get
#BE365C. If the color is desaturated by 10%, the color
#B04060 is obtained.