The hex color #d9d3f5 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#262C0A. The grayscale version is
#E0E0E0. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A6A0C2 is the 20% darker color. If the color is saturated by 10%, you get
#D8D2F7. If the color is desaturated by 10%, the color
#DAD4F3 is obtained.