The hex color #a72b9e is a dark color. The web-safe version is Hex
#993399. A complementary color is
#58D461. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#DA5ED1, and Hex
#74006B is the 20% darker color. If the color is saturated by 10%, you get
#AB23A2. If the color is desaturated by 10%, the color
#A3339A is obtained.