#F21A3A Hex Color
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#f21a3a is a saturated, warm red with high brightness and strong visual force. This bold hex code brings energy, urgency, and passion to calls to action, sports graphics, sales campaigns, and emergency accents. Use it as a small accent beside charcoal or deep navy, since its intensity can overwhelm a full background. Black text reaches about a 5:1 contrast ratio for small body text.
Questions about #f21a3a
What is #f21a3a in RGB, HSL and CMYK?
In RGB, #f21a3a is rgb(242, 26, 58), in HSL hsl(351, 89%, 53%) and in CMYK 0%, 89%, 76%, 5%.
Is #f21a3a warm or cool?
#f21a3a reads as a warm red because its hue sits close to crimson, while its high saturation and medium lightness keep it vivid rather than muted against common neutral palettes. The slight pink cast adds a lively edge, especially beside navy or charcoal.
Where does #f21a3a work best in a design?
#f21a3a works best as a compact accent for buttons, alerts, sale graphics, sports marks, and highlights, where its saturated red directs attention while leaving surrounding space calm and readable instead of overwhelming the full layout. Use black text for small labels, since the color reaches about a 5:1 contrast ratio.
Is #f21a3a readable on white or black?
#f21a3a has a 4.21:1 contrast ratio on white and 4.98:1 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.