The hex color #0003ce is a dark color. The web-safe version is Hex
#0000CC. A complementary color is
#FFFC31. The grayscale version is
#464646. A 20% lighter version of the original color is
#3336FF, and Hex
#00009B is the 20% darker color. If the color is saturated by 10%, you get
#0000DC. If the color is desaturated by 10%, the color
#070AC0 is obtained.