The hex color #cf3ff0 is a dark color. The web-safe version is Hex
#CC33FF. A complementary color is
#30C00F. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#FF72FF, and Hex
#9C0CBD is the 20% darker color. If the color is saturated by 10%, you get
#D334F7. If the color is desaturated by 10%, the color
#CB4AE9 is obtained.