The hex color #cf64f0 is a light color. The web-safe version is Hex
#CC66FF. A complementary color is
#309B0F. The grayscale version is
#B6B6B6. A 20% lighter version of the original color is
#FF97FF, and Hex
#9C31BD is the 20% darker color. If the color is saturated by 10%, you get
#D15CF6. If the color is desaturated by 10%, the color
#CD6CEA is obtained.