#FF1F00 Hex Color
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Reach for #ff1f00 when a call-to-action button needs to stop the scroll. This red is loud, fully saturated, and warm, with an orange-leaning glow that reads urgent rather than calm. It works best as a small accent; as a full background it can overwhelm. Black text passes AA contrast on it, so labels and badges stay readable. The hex code #ff1f00 suits sale banners, sports branding, and emergency signage.
Questions about #ff1f00
What is #ff1f00 in RGB, HSL and CMYK?
In RGB, #ff1f00 is rgb(255, 31, 0), in HSL hsl(7, 100%, 50%) and in CMYK 0%, 88%, 100%, 0%.
What colors pair well with #ff1f00?
Navy and deep charcoal ground this loud red, while warm cream softens its edge without dulling it. Pair #ff1f00 with charcoal for high contrast, or with olive for a more unexpected, earthy combination.
Is #ff1f00 readable on white or black?
#ff1f00 has a 3.85:1 contrast ratio on white and 5.44:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.