The hex color #a64df0 is a dark color. The web-safe version is Hex
#9966FF. A complementary color is
#59B20F. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#D980FF, and Hex
#731ABD is the 20% darker color. If the color is saturated by 10%, you get
#A745F8. If the color is desaturated by 10%, the color
#A655E8 is obtained.