The hex color #a7a8c6 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#585739. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#DADBF9, and Hex
#747593 is the 20% darker color. If the color is saturated by 10%, you get
#A6A7C8. If the color is desaturated by 10%, the color
#A8A9C4 is obtained.