The hex color #10728c is a dark color. The web-safe version is Hex
#006699. A complementary color is
#EF8D73. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#43A5BF, and Hex
#003F59 is the 20% darker color. If the color is saturated by 10%, you get
#097491. If the color is desaturated by 10%, the color
#177087 is obtained.