The hex color #a28ec4 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5D713B. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#D5C1F7, and Hex
#6F5B91 is the 20% darker color. If the color is saturated by 10%, you get
#A28CC7. If the color is desaturated by 10%, the color
#A290C1 is obtained.