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The hexadecimal color code #330009 is a very dark, intense shade of Red (known as black). In the RGB color model, #330009 is comprised of 51 red, 0 green, and 9 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 349 degrees, a saturation of 100%, and a lightness of 10%. This color has an approximate wavelength of 408 nm. The closest web-safe color is often utilized in web design, user interfaces (UI), and vector graphics to create intense Red atmospheres. Designers searching for Red 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 #330009.