The hex color #0003fd is a dark color. The web-safe version is Hex
#0000FF. A complementary color is
#FFFC02. The grayscale version is
#555555. A 20% lighter version of the original color is
#3336FF, and Hex
#0000CA is the 20% darker color. If the color is saturated by 10%, you get
#0000FF. If the color is desaturated by 10%, the color
#090BEC is obtained.