The hex color #a64ea4 is a dark color. The web-safe version is Hex
#996699. A complementary color is
#59B15B. The grayscale version is
#888888. A 20% lighter version of the original color is
#D981D7, and Hex
#731B71 is the 20% darker color. If the color is saturated by 10%, you get
#A948A7. If the color is desaturated by 10%, the color
#A354A1 is obtained.