The hex color #b9caeb is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#463514. The grayscale version is
#CFCFCF. A 20% lighter version of the original color is
#ECFDFF, and Hex
#8697B8 is the 20% darker color. If the color is saturated by 10%, you get
#B7C9EE. If the color is desaturated by 10%, the color
#BBCBE8 is obtained.