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The hexadecimal color code #223543 is a very dark, muted shade of Cyan (known as darkslategray). In the RGB color model, #223543 is comprised of 34 red, 53 green, and 67 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 205 degrees, a saturation of 33%, and a lightness of 20%. This color has an approximate wavelength of 508 nm. The closest web-safe color is often utilized in web design, user interfaces (UI), and vector graphics to create muted 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 #223543.