The hex color #a3b5e5 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5C4A1A. The grayscale version is
#BFBFBF. A 20% lighter version of the original color is
#D6E8FF, and Hex
#7082B2 is the 20% darker color. If the color is saturated by 10%, you get
#A0B4E9. If the color is desaturated by 10%, the color
#A6B6E1 is obtained.