The hex color #0b55ab is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F4AA54. The grayscale version is
#595959. A 20% lighter version of the original color is
#3E88DE, and Hex
#002278 is the 20% darker color. If the color is saturated by 10%, you get
#0355B3. If the color is desaturated by 10%, the color
#1355A3 is obtained.