The hex color #3c04cc is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#C3FB33. The grayscale version is
#595959. A 20% lighter version of the original color is
#6F37FF, and Hex
#090099 is the 20% darker color. If the color is saturated by 10%, you get
#3900D7. If the color is desaturated by 10%, the color
#3F0DC1 is obtained.