#FF0909 Hex Color
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This aggressive, high-chroma red demands immediate attention. Because of its extreme saturation, #ff0909 works best as a small accent rather than a background color, where it can quickly overwhelm a design. It pairs effectively with cool, dark grays to ground its intensity. The hex code #ff0909 offers sufficient contrast for readability, allowing black text to stand out sharply against its bold, fiery surface.
Questions about #ff0909
What is #ff0909 in RGB, HSL and CMYK?
In RGB, #ff0909 is rgb(255, 9, 9), in HSL hsl(0, 100%, 52%) and in CMYK 0%, 96%, 96%, 0%.
How can I use #ff0909 in a design without overwhelming it?
Use #ff0909 primarily as a small, high-impact accent, such as for call-to-action buttons, notification badges, or error states. Because of its extreme saturation, it dominates any space, so balance it against large areas of neutral charcoal or off-white to ground the intensity.
Is #ff0909 readable on white or black?
#ff0909 has a 3.96:1 contrast ratio on white and 5.29:1 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.