The hex color #52809c is a dark color. The web-safe version is Hex
#669999. A complementary color is
#AD7F63. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#85B3CF, and Hex
#1F4D69 is the 20% darker color. If the color is saturated by 10%, you get
#4E819F. If the color is desaturated by 10%, the color
#567F99 is obtained.