The hex color #4fa2d0 is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#B05D2F. The grayscale version is
#969696. A 20% lighter version of the original color is
#82D5FF, and Hex
#1C6F9D is the 20% darker color. If the color is saturated by 10%, you get
#48A3D6. If the color is desaturated by 10%, the color
#56A1CA is obtained.