The hex color #a73b5a is a dark color. The web-safe version is Hex
#993366. A complementary color is
#58C4A5. The grayscale version is
#696969. A 20% lighter version of the original color is
#DA6E8D, and Hex
#740827 is the 20% darker color. If the color is saturated by 10%, you get
#AD3658. If the color is desaturated by 10%, the color
#A1405C is obtained.