The hex color #1d8fa8 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E27057. The grayscale version is
#717171. A 20% lighter version of the original color is
#50C2DB, and Hex
#005C75 is the 20% darker color. If the color is saturated by 10%, you get
#1592AD. If the color is desaturated by 10%, the color
#258CA3 is obtained.