The hex color #a729fb is a dark color. The web-safe version is Hex
#9933FF. A complementary color is
#58D604. The grayscale version is
#999999. A 20% lighter version of the original color is
#DA5CFF, and Hex
#7400C8 is the 20% darker color. If the color is saturated by 10%, you get
#A81EFF. If the color is desaturated by 10%, the color
#A634F1 is obtained.