The hex color #CFDDF3 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#30220C. The grayscale version is
#E0E0E0. A 20% lighter version of the original color is
#FFFFFF, and Hex
#9CAAC0 is the 20% darker color. If the color is saturated by 10%, you get
#CDDDF5. If the color is desaturated by 10%, the color
#D1DDF1 is obtained.