The hex color #0143a7 is a dark color. The web-safe version is Hex
#003399. A complementary color is
#FEBC58. The grayscale version is
#4E4E4E. A 20% lighter version of the original color is
#3476DA, and Hex
#001074 is the 20% darker color. If the color is saturated by 10%, you get
#0042B0. If the color is desaturated by 10%, the color
#09449E is obtained.