The hex color #0a75b0 is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F58A4F. The grayscale version is
#656565. A 20% lighter version of the original color is
#3DA8E3, and Hex
#00427D is the 20% darker color. If the color is saturated by 10%, you get
#0177B8. If the color is desaturated by 10%, the color
#1373A9 is obtained.