The hex color #0b518f is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F4AE70. The grayscale version is
#4E4E4E. A 20% lighter version of the original color is
#3E84C2, and Hex
#001E5C is the 20% darker color. If the color is saturated by 10%, you get
#045195. If the color is desaturated by 10%, the color
#125189 is obtained.