The hex color #52869c is a dark color. The web-safe version is Hex
#669999. A complementary color is
#AD7963. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#85B9CF, and Hex
#1F5369 is the 20% darker color. If the color is saturated by 10%, you get
#4E879F. If the color is desaturated by 10%, the color
#568599 is obtained.