#AA151B Hex Color
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This deep, saturated red demands attention without feeling neon. Because of its intensity and weight, #aa151b performs best as a 10% accent rather than a full background. It pairs exceptionally well with muted slate grays or creams to soften its inherent aggression. Since white text maintains a strong 7.4:1 contrast against it, use this hex code for high-priority buttons or critical alerts in your interface.
Questions about #aa151b
What is #aa151b in RGB, HSL and CMYK?
In RGB, #aa151b is rgb(170, 21, 27), in HSL hsl(358, 78%, 37%) and in CMYK 0%, 88%, 84%, 33%.
How should I use #aa151b effectively in UI design?
Because of its visual weight and intensity, use #aa151b sparingly as an accent rather than a background. It commands attention for primary call-to-action buttons, critical alerts, or navigation markers where high contrast against cream or light backgrounds is necessary for clarity.
Is #aa151b readable on white or black?
#aa151b has a 7.41:1 contrast ratio on white and 2.83:1 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.