HEX Color Code #287FD9

Working with blue tones? #287FD9 sits in the medium range, bringing depth and consistency to UI kits, brand systems, and data visualizations. Explore its full technical profile and curated companion colors.

What Color Is #287FD9?

Visually, #287FD9 presents as a medium blue with moderate saturation that adapts to many contexts. In the HSL model, its coordinates are (211°, 70%, 50%) — revealing a hue squarely in the blue zone with medium depth.

Color Meaning of #287FD9

#287FD9 carries the psychological weight of the blue color family — commonly linked to trust, reliability, and professionalism. At medium depth, it strikes a balance that works across cultural contexts, from corporate branding to creative portfolio design.

Where to Use HEX Code #287FD9

Section dividers and decorative borders that add rhythm without visual clutter

Progress bars and step indicators where medium blue signals completion and advancement

Tooltip and popover backgrounds that need contrast against both light and dark parent surfaces

Form field validation accents — pairing #287FD9 with semantic colors creates clear feedback hierarchies

Pull-quote backgrounds and callout boxes that draw the eye to important editorial content

Social media graphics and OG images where consistent blue branding drives recognition

Similar HEX Color Codes

#1970CA

#0F98C0

#05A2FC

Complementary teal tone for palette coordination

#55ACAC

Nearby color value offering slightly different brightness

#5F48FF

#00C0FF

Adjacent shade useful for gradient transitions

#73CA8E

Comparable green alternative with distinct character

HEX Code #287FD9 in Design Systems

When integrating #287FD9 into component libraries, create at minimum: a base token, a hover variant (mixed with 10% black), an active variant (mixed with 20% black), and a disabled variant (mixed with 50% white at 60% opacity). CSS color-mix() makes this straightforward without hardcoding every variant.

Brightness check: at 111/255, this value serves best as a background for white UI text, icon labels, and button copy. Test on both sRGB monitors and mobile OLED panels where dark colors can appear more saturated.

FAQ About HEX Color Code #287FD9

What color is #287FD9?

#287FD9 is a medium blue color. In RGB terms, it combines 40 red, 127 green, and 217 blue — producing a tone that sits at 50% lightness in the HSL model.

Is #287FD9 a dark or light color?

With a perceived brightness of 111 on a 0-255 scale, #287FD9 is a dark color that requires light-colored text or elements placed on top of it. Use WCAG contrast tools to verify specific pairings.

What colors go well with #287FD9?

For maximum impact, pair #287FD9 with its complementary color (around 31° on the wheel). For softer harmony, try analogous hues at 241° and 181°. Neutrals tinted with blue undertones complete the palette.

Can I use #287FD9 for branding?

Absolutely — #287FD9 is well-suited for branding when blue aligns with your brand values. Its brightness suggests openness and approachability. Test it across digital screens, print materials, and merchandise to ensure CMYK translation preserves the intended blue feeling.

How do I convert #287FD9 to other color formats?

#287FD9 converts to RGB(40, 127, 217) and HSL(211°, 70%, 50%). For print, calculate CMYK values relative to your printer profile. Use our HEX to RGB converter for instant conversions between any color format.