The hex color #CF3DF0 is a dark color. The web-safe version is Hex
#CC33FF. A complementary color is
#30C20F. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#FF70FF, and Hex
#9C0ABD is the 20% darker color. If the color is saturated by 10%, you get
#D332F7. If the color is desaturated by 10%, the color
#CB48E9 is obtained.