#FF0000

Color Profile: #FF0000

Common Name: Red

Hex: #FF0000
RGB: R: 255, G: 0, B: 0
HSL: ~0°, ~100%, ~50%

Contrast Ratings:

• Contrast vs White: 4.0:1 — AA Fail, AAA Fail
• Contrast vs Black: 5.3:1 — AA Pass, AAA Fail

Mood & Aesthetic:

#FF0000 is adrenaline on a screen. It screams urgency, passion, and unfiltered energy. Whether it’s a love note or a warning sign, this red never whispers—it commands attention and drives emotional response immediately.

Closest Notable Matches:

Exact hex match found in reference list.

• Exact Match: BS4800-5252 – Red (04-E-55) #FF0000 — ΔE = 0.00
• Exact Match: RAL 3026 – Luminous Bright Red #FF0000 — ΔE = 0.00
• Matthews Paint – Firebreathing Red #FB0000 — ΔE ≈ 1.5
• Tiger Drylac – Fluorescent Red (49/30760) #EE0000 — ΔE ≈ 6.4
• Pantone 172 C #FE4819 — ΔE ≈ 14.8

• Why Designers Use It

Yes, designers reach for this red when subtlety isn’t on the brief. In branding, it powers fast-food giants and emergency services alike, leveraging instinctual human responses—stop, act, pay attention. In manufacturing, high-visibility coatings on machinery and road-safety devices rely on the pure spectral punch of #FF0000 for quick recognition.

Automotive and aerospace teams deploy it in warning labels, e-stop buttons, and cockpit indicators where milliseconds matter. Textile and fashion sectors embrace it for statement pieces, ceremonial attire, and sports uniforms, channeling confidence and vigor. In digital UX, it marks destructive actions, alerts, and unread notifications—every click is a heartbeat.

Regionally, red shows up as celebration in China’s Lunar New Year, power on European race cars, and protest on global streets. Trendy? Perennially. Technology shifts, tastes evolve, but #FF0000 keeps swinging the spotlight back onto itself—bold, relentless, and unmistakably decisive.