The hex color #a3b6e7 is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#5C4918. The grayscale version is
#C0C0C0. A 20% lighter version of the original color is
#D6E9FF, and Hex
#7083B4 is the 20% darker color. If the color is saturated by 10%, you get
#A0B5EB. If the color is desaturated by 10%, the color
#A6B7E3 is obtained.