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The hexadecimal color code #151B93 is a dark, vibrant shade of Blue (known as darkblue). In the RGB color model, #151B93 is comprised of 21 red, 27 green, and 147 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 237 degrees, a saturation of 75%, and a lightness of 33%. This color has an approximate wavelength of 485 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 #151B93.