The hex color #c3c9df is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#3C3620. The grayscale version is
#CECECE. A 20% lighter version of the original color is
#F6FCFF, and Hex
#9096AC is the 20% darker color. If the color is saturated by 10%, you get
#C2C8E1. If the color is desaturated by 10%, the color
#C4CADD is obtained.