The hex color #000b0a is a dark color. The web-safe version is Hex
#000000. A complementary color is
#FFF4F5. The grayscale version is
#070707. A 20% lighter version of the original color is
#333E3D, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#000B0A. If the color is desaturated by 10%, the color
#010B0A is obtained.