The hex color #2c0cdd is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#D3F322. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#5F3FFF, and Hex
#0000AA is the 20% darker color. If the color is saturated by 10%, you get
#2704EA. If the color is desaturated by 10%, the color
#3114D0 is obtained.