The hex color #a8c9e8 is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#573617. The grayscale version is
#C8C8C8. A 20% lighter version of the original color is
#DBFCFF, and Hex
#7596B5 is the 20% darker color. If the color is saturated by 10%, you get
#A5C9EB. If the color is desaturated by 10%, the color
#ABC9E5 is obtained.