The hex color #a9a6da is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#565925. The grayscale version is
#B8B8B8. A 20% lighter version of the original color is
#DCD9FF, and Hex
#7673A7 is the 20% darker color. If the color is saturated by 10%, you get
#A7A4DD. If the color is desaturated by 10%, the color
#ABA8D7 is obtained.