The hex color #a642df is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#59BD20. The grayscale version is
#989898. A 20% lighter version of the original color is
#D975FF, and Hex
#730FAC is the 20% darker color. If the color is saturated by 10%, you get
#A739E6. If the color is desaturated by 10%, the color
#A54BD8 is obtained.