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The hexadecimal color code #3E1799 is a dark, vibrant shade of Blue (known as indigo). In the RGB color model, #3E1799 is comprised of 62 red, 23 green, and 153 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 258 degrees, a saturation of 74%, and a lightness of 35%. This color has an approximate wavelength of 471 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 #3E1799.