The hex color #142ad3 is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#EBD52C. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#475DFF, and Hex
#0000A0 is the 20% darker color. If the color is saturated by 10%, you get
#0D25DF. If the color is desaturated by 10%, the color
#1B2FC7 is obtained.