The hex color #a3d6ff is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#5C2900. The grayscale version is
#D3D3D3. A 20% lighter version of the original color is
#D6FFFF, and Hex
#70A3CC is the 20% darker color. If the color is saturated by 10%, you get
#9ED6FF. If the color is desaturated by 10%, the color
#A8D6FB is obtained.