The hex color #d73f52 is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#28C0AD. The grayscale version is
#787878. A 20% lighter version of the original color is
#FF7285, and Hex
#A40C1F is the 20% darker color. If the color is saturated by 10%, you get
#E1394E. If the color is desaturated by 10%, the color
#CE4556 is obtained.