The hex color #b8c4dd is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#473B22. The grayscale version is
#C8C8C8. A 20% lighter version of the original color is
#EBF7FF, and Hex
#8591AA is the 20% darker color. If the color is saturated by 10%, you get
#B6C4DF. If the color is desaturated by 10%, the color
#BAC4DB is obtained.