The hex color #0210c5 is a dark color. The web-safe version is Hex
#0000CC. A complementary color is
#FDEF3A. The grayscale version is
#484848. A 20% lighter version of the original color is
#3543F8, and Hex
#000092 is the 20% darker color. If the color is saturated by 10%, you get
#000AD2. If the color is desaturated by 10%, the color
#0916B8 is obtained.