Pantone / PMS Process Black / #2b2926 Hex Color Code. The hexadecimal color code #2b2926 is a dark shade of brown. In the RGB color model #2b2926 is comprised of 16.86% red, 16.08% green and 14.9% blue. In the HSL color space #2b2926 has a hue of 36° (degrees), 6% saturation and 16% lightness.