The hex color #c1c9ed is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#3E3612. The grayscale version is
#D2D2D2. A 20% lighter version of the original color is
#F4FCFF, and Hex
#8E96BA is the 20% darker color. If the color is saturated by 10%, you get
#BFC8F0. If the color is desaturated by 10%, the color
#C3CAEA is obtained.