The hex color #a64ba3 is a dark color. The web-safe version is Hex
#993399. A complementary color is
#59B45C. The grayscale version is
#878787. A 20% lighter version of the original color is
#D97ED6, and Hex
#731870 is the 20% darker color. If the color is saturated by 10%, you get
#A945A6. If the color is desaturated by 10%, the color
#A351A0 is obtained.