The hex color #a3c1ef is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#5C3E10. The grayscale version is
#C6C6C6. A 20% lighter version of the original color is
#D6F4FF, and Hex
#708EBC is the 20% darker color. If the color is saturated by 10%, you get
#9FC0F3. If the color is desaturated by 10%, the color
#A7C2EB is obtained.