The hex color #0b040c is a dark color. The web-safe version is Hex
#000000. A complementary color is
#F4FBF3. The grayscale version is
#090909. A 20% lighter version of the original color is
#3E373F, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#0B040C. If the color is desaturated by 10%, the color
#0B050C is obtained.