The hex color #0b45a9 is a dark color. The web-safe version is Hex
#003399. A complementary color is
#F4BA56. The grayscale version is
#535353. A 20% lighter version of the original color is
#3E78DC, and Hex
#001276 is the 20% darker color. If the color is saturated by 10%, you get
#0444B2. If the color is desaturated by 10%, the color
#1246A0 is obtained.