The hex color #e8e7fc is a light color. The web-safe version is Hex
#FFFFFF. A complementary color is
#171803. The grayscale version is
#EEEEEE. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B5B4C9 is the 20% darker color. If the color is saturated by 10%, you get
#E7E6FD. If the color is desaturated by 10%, the color
#E9E8FB is obtained.