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The hexadecimal color code #221660 is a dark, vibrant shade of Blue (known as midnightblue). In the RGB color model, #221660 is comprised of 34 red, 22 green, and 96 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 250 degrees, a saturation of 63%, and a lightness of 23%. This color has an approximate wavelength of 476 nm. The closest web-safe color is often utilized in web design, user interfaces (UI), and vector graphics to create vibrant Blue atmospheres. Designers searching for Blue 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 #221660.