The hex color #a6a9da is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#595625. The grayscale version is
#B8B8B8. A 20% lighter version of the original color is
#D9DCFF, and Hex
#7376A7 is the 20% darker color. If the color is saturated by 10%, you get
#A4A7DD. If the color is desaturated by 10%, the color
#A8ABD7 is obtained.