The hex color #2a789c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#D58763. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#5DABCF, and Hex
#004569 is the 20% darker color. If the color is saturated by 10%, you get
#2479A1. If the color is desaturated by 10%, the color
#307797 is obtained.