The hex color #1b8ab5 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#E4754A. The grayscale version is
#737373. A 20% lighter version of the original color is
#4EBDE8, and Hex
#005782 is the 20% darker color. If the color is saturated by 10%, you get
#128CBC. If the color is desaturated by 10%, the color
#2488AE is obtained.