#B21B18 Hex Color
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A dark, saturated red with warm undertones, #b21b18 feels forceful, urgent, and intensely focused. Its strong chroma suits calls to action, sports branding, food packaging, and emergency-focused designs. Use it as a small accent or supporting tone with charcoal or warm cream. White text reads clearly at about 6.9:1 contrast. The hex code is #b21b18.
Questions about #b21b18
What is #b21b18 in RGB, HSL and CMYK?
In RGB, #b21b18 is rgb(178, 27, 24), in HSL hsl(1, 76%, 40%) and in CMYK 0%, 85%, 87%, 30%.
Does #b21b18 work with white text?
Yes, white text provides strong contrast on #b21b18, at about a 6.9:1 ratio, making it suitable for readable buttons, headings, and other prominent interface elements when text size and weight are also considered.
What colors pair well with #b21b18?
Charcoal and warm cream pair well with #b21b18, balancing its saturated warmth without competing for attention; use the red as a focused accent and the neutrals for backgrounds, text, or larger supporting areas.
What mood does #b21b18 convey, and where does it work best?
The warm, saturated red conveys urgency, force, and focused energy, making it effective for calls to action, sports branding, food packaging, and emergency-oriented designs when used as a controlled accent.
Is #b21b18 readable on white or black?
#b21b18 has a 6.85:1 contrast ratio on white and 3.06:1 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.