The hex color #a73f58 is a dark color. The web-safe version is Hex
#993366. A complementary color is
#58C0A7. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#DA728B, and Hex
#740C25 is the 20% darker color. If the color is saturated by 10%, you get
#AD3B56. If the color is desaturated by 10%, the color
#A1435A is obtained.