The hex color #0a89c3 is a dark color. The web-safe version is Hex
#0099CC. A complementary color is
#F5763C. The grayscale version is
#727272. A 20% lighter version of the original color is
#3DBCF6, and Hex
#005690 is the 20% darker color. If the color is saturated by 10%, you get
#008BCB. If the color is desaturated by 10%, the color
#1487BB is obtained.