The hex color #0d8aa3 is a dark color. The web-safe version is Hex
#009999. A complementary color is
#F2755C. The grayscale version is
#696969. A 20% lighter version of the original color is
#40BDD6, and Hex
#005770 is the 20% darker color. If the color is saturated by 10%, you get
#048DA9. If the color is desaturated by 10%, the color
#16879D is obtained.