The hex color #a31bb8 is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#5CE447. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#D64EEB, and Hex
#700085 is the 20% darker color. If the color is saturated by 10%, you get
#A711BE. If the color is desaturated by 10%, the color
#9F25B2 is obtained.