The hex color #1a589c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#E5A763. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#4D8BCF, and Hex
#002569 is the 20% darker color. If the color is saturated by 10%, you get
#1458A3. If the color is desaturated by 10%, the color
#205895 is obtained.