The hex color #548dac is a dark color. The web-safe version is Hex
#669999. A complementary color is
#AB7253. The grayscale version is
#848484. A 20% lighter version of the original color is
#87C0DF, and Hex
#215A79 is the 20% darker color. If the color is saturated by 10%, you get
#4F8EB0. If the color is desaturated by 10%, the color
#598CA8 is obtained.