The hex color #a3cde1 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5C321E. The grayscale version is
#C6C6C6. A 20% lighter version of the original color is
#D6FFFF, and Hex
#709AAE is the 20% darker color. If the color is saturated by 10%, you get
#A0CEE4. If the color is desaturated by 10%, the color
#A6CCDE is obtained.