The hex color #e21ce9 is a dark color. The web-safe version is Hex
#CC33FF. A complementary color is
#1DE316. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#FF4FFF, and Hex
#AF00B6 is the 20% darker color. If the color is saturated by 10%, you get
#E80FF0. If the color is desaturated by 10%, the color
#DC29E2 is obtained.