The hex color #a31a9d is a dark color. The web-safe version is Hex
#993399. A complementary color is
#5CE562. The grayscale version is
#737373. A 20% lighter version of the original color is
#D64DD0, and Hex
#70006A is the 20% darker color. If the color is saturated by 10%, you get
#A811A1. If the color is desaturated by 10%, the color
#9E2399 is obtained.