The hex color #0b4fb0 is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F4B04F. The grayscale version is
#595959. A 20% lighter version of the original color is
#3E82E3, and Hex
#001C7D is the 20% darker color. If the color is saturated by 10%, you get
#034EB9. If the color is desaturated by 10%, the color
#1350A7 is obtained.