The hex color #a1d3e2 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5E2C1D. The grayscale version is
#C7C7C7. A 20% lighter version of the original color is
#D4FFFF, and Hex
#6EA0AF is the 20% darker color. If the color is saturated by 10%, you get
#9DD4E5. If the color is desaturated by 10%, the color
#A5D2DF is obtained.