#AD0303 Hex Color
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This dark, highly saturated shade of red has a warm, forceful presence and slightly muted depth. #ad0303 creates urgency in calls to action, sports branding, sales graphics, and emergency messaging, but can overwhelm as a full-page background. Use it as a small accent against charcoal or muted blush. White text remains clear at about 7.5:1 contrast. The hex code is #ad0303.
Questions about #ad0303
What is #ad0303 in RGB, HSL and CMYK?
In RGB, #ad0303 is rgb(173, 3, 3), in HSL hsl(0, 97%, 35%) and in CMYK 0%, 98%, 98%, 32%.
What colors pair well with #ad0303?
#ad0303 pairs well with charcoal, muted blush, cream, and warm neutrals, which soften its intensity while preserving a strong focal point in interfaces, posters, and promotional layouts where attention matters most. Use white for crisp contrast or a restrained neutral palette for a calmer result.
Is #ad0303 warm or cool, and what mood does it create?
#ad0303 reads as a warm red because its dark, highly saturated base feels forceful and urgent, making it better suited to assertive accents than soft, soothing layouts or restful backgrounds. Use it where the design needs confidence, energy, or immediate visual emphasis.
Is #ad0303 readable on white or black?
#ad0303 has a 7.52:1 contrast ratio on white and 2.79:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.