#B21010 Hex Color
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#b21010 is a deep, saturated red that carries significant intensity. Because of its dark and heavy nature, it functions best as a bold accent rather than a primary background color. Pair this hex code with clean white text to ensure high legibility, as it creates a sharp 7.1:1 contrast. Designers often use this shade for call-to-action buttons or warning indicators where visual urgency is required.
Questions about #b21010
What is #b21010 in RGB, HSL and CMYK?
In RGB, #b21010 is rgb(178, 16, 16), in HSL hsl(0, 84%, 38%) and in CMYK 0%, 91%, 91%, 30%.
Where should I use the #b21010 red in a UI design?
This #b21010 shade works best for high-urgency elements like call-to-action buttons or system error notifications. Because of its dark and saturated intensity, keep it limited to small, impactful areas to avoid overwhelming your primary layout.
What colors create a balanced palette with #b21010?
Is #b21010 readable on white or black?
#b21010 has a 7.05:1 contrast ratio on white and 2.97:1 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.