The hex color #a3b5fd is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#5C4A02. The grayscale version is
#C7C7C7. A 20% lighter version of the original color is
#D6E8FF, and Hex
#7082CA is the 20% darker color. If the color is saturated by 10%, you get
#9FB3FF. If the color is desaturated by 10%, the color
#A7B7F8 is obtained.