The hex color #d73f4e is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#28C0B1. The grayscale version is
#777777. A 20% lighter version of the original color is
#FF7281, and Hex
#A40C1B is the 20% darker color. If the color is saturated by 10%, you get
#E1394A. If the color is desaturated by 10%, the color
#CD4552 is obtained.