The hex color #a7a3d9 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#585C26. The grayscale version is
#B6B6B6. A 20% lighter version of the original color is
#DAD6FF, and Hex
#7470A6 is the 20% darker color. If the color is saturated by 10%, you get
#A5A1DC. If the color is desaturated by 10%, the color
#A9A5D6 is obtained.