The hex color #ff3dd2 is a light color. The web-safe version is Hex
#FF33CC. A complementary color is
#00C22D. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#FF70FF, and Hex
#CC0A9F is the 20% darker color. If the color is saturated by 10%, you get
#FF32D5. If the color is desaturated by 10%, the color
#F748CF is obtained.