The hex color #d6d8ed is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#292712. The grayscale version is
#DEDEDE. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A3A5BA is the 20% darker color. If the color is saturated by 10%, you get
#D5D7EE. If the color is desaturated by 10%, the color
#D7D9EC is obtained.