#FC0404 Hex Color
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#fc0404 is a high-intensity, saturated red that demands immediate attention. Because of its sheer brightness, use this shade strictly as a 10% accent color rather than a large background. It pairs exceptionally well with charcoal gray or black, which meets accessibility standards for text readability. Designers rely on this hex code for call-to-action buttons or emergency alerts where visual urgency matters most.
Questions about #fc0404
What is #fc0404 in RGB, HSL and CMYK?
In RGB, #fc0404 is rgb(252, 4, 4), in HSL hsl(0, 98%, 50%) and in CMYK 0%, 98%, 98%, 1%.
How should I use #fc0404 in a UI design?
Reserve #fc0404 strictly for small, high-impact UI elements like call-to-action buttons, error alerts, or notification badges. Because this red is extremely saturated, it will overpower your layout if used as a large background or primary brand color.
Is #fc0404 readable on white or black?
#fc0404 has a 4.07:1 contrast ratio on white and 5.15:1 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.