The hex color #0143b3 is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#FEBC4C. The grayscale version is
#525252. A 20% lighter version of the original color is
#3476E6, and Hex
#001080 is the 20% darker color. If the color is saturated by 10%, you get
#0041BD. If the color is desaturated by 10%, the color
#0945A9 is obtained.