The hex color #a3dee6 is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#5C2119. The grayscale version is
#CDCDCD. A 20% lighter version of the original color is
#D6FFFF, and Hex
#70ABB3 is the 20% darker color. If the color is saturated by 10%, you get
#9FE0E9. If the color is desaturated by 10%, the color
#A7DCE4 is obtained.