Rich Black

The color rich black (fogra39) with hexadecimal color code #010203 is a very dark shade of cyan-blue. In the RGB color model #010203 is comprised of 0.39% red, 0.78% green and 1.18% blue. In the HSL color space #010203 has a hue of 210° (degrees), 50% saturation and 1% lightness. This color has an approximate wavelength of 481.15 nm.

https://encycolorpedia.com/010203