The hex color #d3e6f0 is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#2C190F. The grayscale version is
#E3E3E3. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0B3BD is the 20% darker color. If the color is saturated by 10%, you get
#D1E6F1. If the color is desaturated by 10%, the color
#D5E6EF is obtained.