The hex color #dd31d3 is a dark color. The web-safe version is Hex
#CC33CC. A complementary color is
#22CE2C. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#FF64FF, and Hex
#AA00A0 is the 20% darker color. If the color is saturated by 10%, you get
#E326D8. If the color is desaturated by 10%, the color
#D73CCE is obtained.