The hex color #d9d5f3 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#262A0C. The grayscale version is
#E0E0E0. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A6A2C0 is the 20% darker color. If the color is saturated by 10%, you get
#D8D4F5. If the color is desaturated by 10%, the color
#DAD6F1 is obtained.