The hex color #e3dfff is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#1C2000. The grayscale version is
#EBEBEB. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0ACCC is the 20% darker color. If the color is saturated by 10%, you get
#E2DEFF. If the color is desaturated by 10%, the color
#E4E0FD is obtained.