#A31131 Hex Color
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#a31131 is a saturated, intense red that demands attention. Because it is highly pigmented, it works best as a bold accent rather than a full background. It pairs exceptionally well with charcoal gray or soft cream to balance its aggressive, high-energy presence. Designers should use this hex code for buttons or call-to-action elements where visibility matters most. White text remains readable against this dark, punchy shade.
Questions about #a31131
What is #a31131 in RGB, HSL and CMYK?
In RGB, #a31131 is rgb(163, 17, 49), in HSL hsl(347, 81%, 35%) and in CMYK 0%, 90%, 70%, 36%.
What colors best complement #a31131 in a design palette?
This aggressive red pairs most effectively with neutral tones like charcoal or soft cream to balance its high-energy presence. Using these neutrals prevents the color from overwhelming a layout while maintaining its status as a primary focal point.
Is #a31131 readable on white or black?
#a31131 has a 7.83:1 contrast ratio on white and 2.68:1 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.