The hex color #4080c4 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#BF7F3B. The grayscale version is
#818181. A 20% lighter version of the original color is
#73B3F7, and Hex
#0D4D91 is the 20% darker color. If the color is saturated by 10%, you get
#3980CB. If the color is desaturated by 10%, the color
#4780BD is obtained.