The hex color #e0cff3 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#1F300C. The grayscale version is
#E1E1E1. A 20% lighter version of the original color is
#FFFFFF, and Hex
#AD9CC0 is the 20% darker color. If the color is saturated by 10%, you get
#E0CDF5. If the color is desaturated by 10%, the color
#E0D1F1 is obtained.