The hex color #b64ebe is a dark color. The web-safe version is Hex
#CC66CC. A complementary color is
#49B141. The grayscale version is
#969696. A 20% lighter version of the original color is
#E981F1, and Hex
#831B8B is the 20% darker color. If the color is saturated by 10%, you get
#B947C2. If the color is desaturated by 10%, the color
#B355BA is obtained.