The hex color #a9b3d2 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#564C2D. The grayscale version is
#BABABA. A 20% lighter version of the original color is
#DCE6FF, and Hex
#76809F is the 20% darker color. If the color is saturated by 10%, you get
#A7B2D4. If the color is desaturated by 10%, the color
#ABB4D0 is obtained.