The hex color #a1a9be is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5E5641. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#D4DCF1, and Hex
#6E768B is the 20% darker color. If the color is saturated by 10%, you get
#A0A9C0. If the color is desaturated by 10%, the color
#A2A9BC is obtained.