The hex color #b64cfa is a dark color. The web-safe version is Hex
#CC33FF. A complementary color is
#49B305. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#E97FFF, and Hex
#8319C7 is the 20% darker color. If the color is saturated by 10%, you get
#B743FF. If the color is desaturated by 10%, the color
#B555F2 is obtained.