The hex color #a1c1e9 is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#5E3E16. The grayscale version is
#C4C4C4. A 20% lighter version of the original color is
#D4F4FF, and Hex
#6E8EB6 is the 20% darker color. If the color is saturated by 10%, you get
#9EC1ED. If the color is desaturated by 10%, the color
#A4C1E5 is obtained.