The hex color #b5cbef is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#4A3410. The grayscale version is
#D0D0D0. A 20% lighter version of the original color is
#E8FEFF, and Hex
#8298BC is the 20% darker color. If the color is saturated by 10%, you get
#B2CBF2. If the color is desaturated by 10%, the color
#B8CBEC is obtained.