The hex color #000b12 is a dark color. The web-safe version is Hex
#000000. A complementary color is
#FFF4ED. The grayscale version is
#0A0A0A. A 20% lighter version of the original color is
#333E45, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#000B13. If the color is desaturated by 10%, the color
#010B11 is obtained.