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The hexadecimal color code #04212F is a very dark, intense shade of Cyan (known as black). In the RGB color model, #04212F is comprised of 4 red, 33 green, and 47 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 200 degrees, a saturation of 84%, and a lightness of 10%. This color has an approximate wavelength of 511 nm. The closest web-safe color is often utilized in web design, user interfaces (UI), and vector graphics to create intense Cyan atmospheres. Designers searching for Cyan color schemes often pair this with its complementary color or use it as an accent against neutral backgrounds. It is commonly used in digital design for backgrounds, typography, and accent elements. When paired with its complementary color in the palette below, it creates a high-contrast visual hierarchy. Engineers can implement this color using the CSS hex code #04212F.