The hex color #0a7f91 is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F5806E. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#3DB2C4, and Hex
#004C5E is the 20% darker color. If the color is saturated by 10%, you get
#028296. If the color is desaturated by 10%, the color
#127C8C is obtained.