4287f5

4287f5 is a hexadecimal color code used in digital color representation, typically in the RGB color model. In six-digit hex notation, it encodes the red, green, and blue components as 42, 87, and f5 in hexadecimal, corresponding to decimal values of 66, 135, and 245. In an sRGB color space, this yields a bright blue hue with high saturation and moderate lightness, often described as a vivid sky-blue.

The color is commonly used in web design and graphic design as a stand-alone brand color or accent. When specified in CSS, it is written as #4287f5 and can be paired with lighter or darker colors to create contrast. The hue is centered around roughly 217 degrees on the color wheel, with an HSL representation near hsl(217, 90%, 61%), indicating a blue tone with strong saturation and moderate lightness.

As with other hex colors, the precise appearance of 4287f5 can vary between displays due to device calibration, color management, and ambient lighting. In design practice, it is evaluated for accessibility against common backgrounds to ensure sufficient contrast ratios.

Background: this color is part of the broader 24-bit color space used by modern displays and web standards since the early days of HTML and CSS. Hex colors like 4287f5 provide a compact way to specify exact RGB values in digital content and branding.