The hex color #0c0e3c is a dark color. The web-safe version is Hex
#000033. A complementary color is
#F3F1C3. The grayscale version is
#1D1D1D. A 20% lighter version of the original color is
#3F416F, and Hex
#000009 is the 20% darker color. If the color is saturated by 10%, you get
#0A0D3F. If the color is desaturated by 10%, the color
#0E0F39 is obtained.