The hex color #d3d6f7 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#2C2908. The grayscale version is
#E0E0E0. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0A3C4 is the 20% darker color. If the color is saturated by 10%, you get
#D2D5F9. If the color is desaturated by 10%, the color
#D4D7F5 is obtained.