#FF0505 Hex Color
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Extreme saturation defines #ff0505, a red that demands immediate attention. Due to its intensity, this color functions best as a tactical accent rather than a full background. Use it sparingly to guide user action or highlight critical alerts. It pairs well with deep charcoals that ground its energy. Black text maintains readable contrast against this hex code, keeping your important messages sharp and legible.
Questions about #ff0505
What is #ff0505 in RGB, HSL and CMYK?
In RGB, #ff0505 is rgb(255, 5, 5), in HSL hsl(0, 100%, 51%) and in CMYK 0%, 98%, 98%, 0%.
How should I use #ff0505 in my interface design?
Reserve #ff0505 for high-priority tactical elements like error messages, call-to-action buttons, or critical alerts. Because of its extreme saturation, using it as a large background often overwhelms the eyes, making it difficult for users to focus on primary content.
What colors pair well with #ff0505 to create balance?
This aggressive red requires grounding, so it pairs exceptionally well with deep charcoal or dark neutral tones. These dark backgrounds provide necessary contrast that keeps the intensity of #ff0505 from appearing visually chaotic or cluttered within a modern design layout.
Is #ff0505 readable on white or black?
#ff0505 has a 3.98:1 contrast ratio on white and 5.27:1 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.