The hex color #a3b7e3 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5C481C. The grayscale version is
#BFBFBF. A 20% lighter version of the original color is
#D6EAFF, and Hex
#7084B0 is the 20% darker color. If the color is saturated by 10%, you get
#A0B6E7. If the color is desaturated by 10%, the color
#A6B8DF is obtained.