The hex color #0143e8 is a dark color. The web-safe version is Hex
#0033FF. A complementary color is
#FEBC17. The grayscale version is
#646464. A 20% lighter version of the original color is
#3476FF, and Hex
#0010B5 is the 20% darker color. If the color is saturated by 10%, you get
#0040F5. If the color is desaturated by 10%, the color
#0B46DB is obtained.