The hex color #a4a8c8 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5B5737. The grayscale version is
#B1B1B1. A 20% lighter version of the original color is
#D7DBFB, and Hex
#717595 is the 20% darker color. If the color is saturated by 10%, you get
#A3A7CA. If the color is desaturated by 10%, the color
#A5A9C6 is obtained.