The hex color #1b8ed5 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#E4712A. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#4EC1FF, and Hex
#005BA2 is the 20% darker color. If the color is saturated by 10%, you get
#118FDE. If the color is desaturated by 10%, the color
#258DCC is obtained.