#21D4FD

The hexadecimal color code #21D4FD is a medium, intense shade of Cyan (known as deepskyblue). In the RGB color model, #21D4FD is comprised of 33 red, 212 green, and 253 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 191 degrees, a saturation of 98%, and a lightness of 56%. This color has an approximate wavelength of 517 nm. The closest web-safe color is often utilized in web design, user interfaces (UI), and vector graphics to create intense Cyan atmospheres. Designers searching for Cyan 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 #21D4FD.