The hex color #b3b6cc is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#4C4933. The grayscale version is
#BCBCBC. A 20% lighter version of the original color is
#E6E9FF, and Hex
#808399 is the 20% darker color. If the color is saturated by 10%, you get
#B2B5CE. If the color is desaturated by 10%, the color
#B4B7CA is obtained.