The hex color #3c19cc is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#C3E633. The grayscale version is
#606060. A 20% lighter version of the original color is
#6F4CFF, and Hex
#090099 is the 20% darker color. If the color is saturated by 10%, you get
#3812D7. If the color is desaturated by 10%, the color
#4020C1 is obtained.