The hex color #a73e90 is a dark color. The web-safe version is Hex
#993399. A complementary color is
#58C16F. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#DA71C3, and Hex
#740B5D is the 20% darker color. If the color is saturated by 10%, you get
#AB3892. If the color is desaturated by 10%, the color
#A3448E is obtained.