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The hexadecimal color code #438ADB is a medium, vibrant shade of Blue (known as royalblue). In the RGB color model, #438ADB is comprised of 67 red, 138 green, and 219 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 212 degrees, a saturation of 68%, and a lightness of 56%. This color has an approximate wavelength of 503 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 #438ADB.