The hex color #ff3fc5 is a light color. The web-safe version is Hex
#FF33CC. A complementary color is
#00C03A. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#FF72F8, and Hex
#CC0C92 is the 20% darker color. If the color is saturated by 10%, you get
#FF34C8. If the color is desaturated by 10%, the color
#F74AC2 is obtained.