#EF4444 — Tints, Shades & Color Values

#EF4444

#EF4444 is a medium, vivid red. In Tailwind CSS this exact color is the utility class red-500 (e.g. bg-red-500, text-red-500). Its nearest CSS named color is tomato (#ff6347). For readable text on a #EF4444 background, black text gives the strongest contrast (5.58:1). #EF4444 sits in the middle of the lightness range, so it can serve as a primary brand or accent color — use its tints for backgrounds and its shades for text and pressed states.

Want to fine-tune this color interactively? Open #EF4444 in the tint & shade generator to explore the full lightness, hue, and chroma scales and copy any step.

Color Values

Hex#EF4444
RGBrgb(239, 68, 68)
HSLhsl(0, 84%, 60%)
HSV / HSB0°, 72%, 94%
Nearest namedtomato (#ff6347)

Need these in another format? Use our hex to RGB converter for quick two-way conversion.

#EF4444 in Tailwind CSS (red-500)

#EF4444 ships with Tailwind CSS as red-500 — use it as bg-red-500, text-red-500, or border-red-500. It sits at step 500 of the red ramp; every other step links to its own page:

Browse the full Tailwind palette in the color library, or generate in-between steps with the tint & shade generator.

Tints of #EF4444 (Mixed with White)

Each step blends the base color toward white using new = old + (255 − old) × factor. Click a swatch to open it in the generator.

Shades of #EF4444 (Mixed with Black)

Each step blends the base color toward black using new = old × (1 − factor).

WCAG Contrast & Accessibility

Contrast ratios for text placed on a #EF4444 background. WCAG requires 4.5:1 for normal text (AA), 3:1 for large text (AA), and 7:1 for normal text (AAA).

Text color White text 3.76:1 — AA normal: Fail · AA large: Pass · AAA: Fail
Black text 5.58:1 — AA normal: Pass · AA large: Pass · AAA: Fail

If neither pure white nor pure black reaches the level you need, pick a darker shade of #EF4444 from the ramps above as the background instead — small lightness moves change contrast quickly. Test any other pair with the free contrast checker.

More red colors in the library: #F43F5E (rose-500), #E74C3C, #FF0000, #E11D48 (rose-600), #FB7185 (rose-400), #DC143C.

Frequently Asked Questions

Browse more colors in the color library, or start from any hex code on the HexTints homepage.

Building a brand around #EF4444? Put it on a free link-in-bio page →