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The hexadecimal color code #153C80 is a dark, vibrant shade of Blue (known as midnightblue). In the RGB color model, #153C80 is comprised of 21 red, 60 green, and 128 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 218 degrees, a saturation of 72%, and a lightness of 29%. This color has an approximate wavelength of 499 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 #153C80.