The hex color #d3d6ff is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#2C2900. The grayscale version is
#E3E3E3. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0A3CC is the 20% darker color. If the color is saturated by 10%, you get
#D1D5FF. If the color is desaturated by 10%, the color
#D5D7FC is obtained.