The hex color #0b5bd3 is a dark color. The web-safe version is Hex
#0066CC. A complementary color is
#F4A42C. The grayscale version is
#686868. A 20% lighter version of the original color is
#3E8EFF, and Hex
#0028A0 is the 20% darker color. If the color is saturated by 10%, you get
#025ADE. If the color is desaturated by 10%, the color
#145CC8 is obtained.