The hex color #a8a4da is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#575B25. The grayscale version is
#B7B7B7. A 20% lighter version of the original color is
#DBD7FF, and Hex
#7571A7 is the 20% darker color. If the color is saturated by 10%, you get
#A6A2DD. If the color is desaturated by 10%, the color
#AAA6D7 is obtained.