The hex color #d1d3f3 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#2E2C0C. The grayscale version is
#DDDDDD. A 20% lighter version of the original color is
#FFFFFF, and Hex
#9EA0C0 is the 20% darker color. If the color is saturated by 10%, you get
#D0D2F5. If the color is desaturated by 10%, the color
#D2D4F1 is obtained.