The hex color #0a7da9 is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F58256. The grayscale version is
#656565. A 20% lighter version of the original color is
#3DB0DC, and Hex
#004A76 is the 20% darker color. If the color is saturated by 10%, you get
#017FB0. If the color is desaturated by 10%, the color
#137BA2 is obtained.