The hex color #0c0cfe is a dark color. The web-safe version is Hex
#0000FF. A complementary color is
#F3F301. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#3F3FFF, and Hex
#0000CB is the 20% darker color. If the color is saturated by 10%, you get
#0404FF. If the color is desaturated by 10%, the color
#1414EE is obtained.