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The hexadecimal color code #664A42 is a dark, muted shade of Red (known as darkolivegreen). In the RGB color model, #664A42 is comprised of 102 red, 74 green, and 66 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 13 degrees, a saturation of 21%, and a lightness of 33%. This color has an approximate wavelength of 641 nm. The closest web-safe color is often utilized in web design, user interfaces (UI), and vector graphics to create muted 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 #664A42.