The hex color #a2a9dc is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5D5623. The grayscale version is
#B8B8B8. A 20% lighter version of the original color is
#D5DCFF, and Hex
#6F76A9 is the 20% darker color. If the color is saturated by 10%, you get
#A0A8E0. If the color is desaturated by 10%, the color
#A4AAD8 is obtained.