The hex color #a3e3f7 is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#5C1C08. The grayscale version is
#D4D4D4. A 20% lighter version of the original color is
#D6FFFF, and Hex
#70B0C4 is the 20% darker color. If the color is saturated by 10%, you get
#9EE4FA. If the color is desaturated by 10%, the color
#A8E2F4 is obtained.