The hex color #1f8ca5 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E0735A. The grayscale version is
#707070. A 20% lighter version of the original color is
#52BFD8, and Hex
#005972 is the 20% darker color. If the color is saturated by 10%, you get
#178FAA. If the color is desaturated by 10%, the color
#2789A0 is obtained.