The hex color #a9b6e4 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#56491B. The grayscale version is
#C1C1C1. A 20% lighter version of the original color is
#DCE9FF, and Hex
#7683B1 is the 20% darker color. If the color is saturated by 10%, you get
#A7B5E8. If the color is desaturated by 10%, the color
#ABB7E1 is obtained.