The hex color #d5e3f5 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#2A1C0A. The grayscale version is
#E4E4E4. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A2B0C2 is the 20% darker color. If the color is saturated by 10%, you get
#D3E3F7. If the color is desaturated by 10%, the color
#D7E3F3 is obtained.