#B51D1D Hex Color
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A dark, strongly saturated red, #b51d1d carries warm crimson undertones and intense visual weight. It adds urgency and authority to branding, sports graphics, sales campaigns, and calls to action. Use this shade as a focused accent or bold background with white text, which achieves about a 6.6:1 contrast ratio. The hex code #b51d1d fits moody, high-impact designs.
Questions about #b51d1d
What is #b51d1d in RGB, HSL and CMYK?
In RGB, #b51d1d is rgb(181, 29, 29), in HSL hsl(0, 72%, 41%) and in CMYK 0%, 84%, 84%, 29%.
What colors pair well with #b51d1d?
#b51d1d pairs well with white, cream, charcoal, and muted gray, while dusty rose or blush can soften its intensity without competing with its warm crimson undertones. Use neutral backgrounds for clarity and pale pinks for a softer palette.
What mood does #b51d1d create in a design?
#b51d1d conveys urgency, strength, and authority through its dark, highly saturated red appearance, making it effective for focused accents, action buttons, sports graphics, promotional campaigns, and other designs that need immediate visual emphasis.
Is #b51d1d readable on white or black?
#b51d1d has a 6.64:1 contrast ratio on white and 3.15:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.