The hex color #d3d5f3 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#2C2A0C. The grayscale version is
#DEDEDE. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0A2C0 is the 20% darker color. If the color is saturated by 10%, you get
#D2D4F5. If the color is desaturated by 10%, the color
#D4D6F1 is obtained.