The hex color #cfd1f3 is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#302E0C. The grayscale version is
#DCDCDC. A 20% lighter version of the original color is
#FFFFFF, and Hex
#9C9EC0 is the 20% darker color. If the color is saturated by 10%, you get
#CED0F5. If the color is desaturated by 10%, the color
#D0D2F1 is obtained.