The hex color #4080f0 is a dark color. The web-safe version is Hex
#3399FF. A complementary color is
#BF7F0F. The grayscale version is
#909090. A 20% lighter version of the original color is
#73B3FF, and Hex
#0D4DBD is the 20% darker color. If the color is saturated by 10%, you get
#387EFA. If the color is desaturated by 10%, the color
#4882E6 is obtained.