The hex color #1399a8 is a dark color. The web-safe version is Hex
#009999. A complementary color is
#EC6657. The grayscale version is
#717171. A 20% lighter version of the original color is
#46CCDB, and Hex
#006675 is the 20% darker color. If the color is saturated by 10%, you get
#0A9DAD. If the color is desaturated by 10%, the color
#1C95A3 is obtained.