The hex color #a64fdf is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#59B020. The grayscale version is
#9C9C9C. A 20% lighter version of the original color is
#D982FF, and Hex
#731CAC is the 20% darker color. If the color is saturated by 10%, you get
#A747E6. If the color is desaturated by 10%, the color
#A557D8 is obtained.