The hex color #c5c6db is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#3A3924. The grayscale version is
#CDCDCD. A 20% lighter version of the original color is
#F8F9FF, and Hex
#9293A8 is the 20% darker color. If the color is saturated by 10%, you get
#C4C5DC. If the color is desaturated by 10%, the color
#C6C7DA is obtained.