The hex color #0b54cd is a dark color. The web-safe version is Hex
#0066CC. A complementary color is
#F4AB32. The grayscale version is
#646464. A 20% lighter version of the original color is
#3E87FF, and Hex
#00219A is the 20% darker color. If the color is saturated by 10%, you get
#0252D8. If the color is desaturated by 10%, the color
#1456C3 is obtained.