The hex color #e3d6f4 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#1C290B. The grayscale version is
#E4E4E4. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0A3C1 is the 20% darker color. If the color is saturated by 10%, you get
#E3D5F6. If the color is desaturated by 10%, the color
#E3D7F2 is obtained.