The hex color #d1e3f5 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#2E1C0A. The grayscale version is
#E3E3E3. A 20% lighter version of the original color is
#FFFFFF, and Hex
#9EB0C2 is the 20% darker color. If the color is saturated by 10%, you get
#CFE3F7. If the color is desaturated by 10%, the color
#D3E3F3 is obtained.