#C21111 Hex Color

An intense, high-chroma red for alerts

Hex color #c21111 graphic
#c21111 is a high-chroma red that commands immediate attention. This intense shade lacks muddiness, making it an ideal choice for call-to-action buttons or accent alerts where visibility matters most. While too aggressive for a primary background, it pairs effectively with dark grays or off-whites. Because it holds a contrast ratio of 6.2:1 against white, text remains legible and sharp when using this hex code.

Questions about #c21111

What is #c21111 in RGB, HSL and CMYK?
In RGB, #c21111 is rgb(194, 17, 17), in HSL hsl(0, 84%, 41%) and in CMYK 0%, 91%, 91%, 24%.
Is #c21111 a good choice for text on a white background?
Yes, #c21111 works well for text or UI elements against white because it maintains a high contrast ratio of 6.2:1, ensuring sharp, accessible readability. It avoids the muddiness often found in darker or desaturated reds.
What colors pair effectively with the intensity of #c21111?
Because #c21111 is such a high-energy shade, it pairs most effectively with neutral backgrounds like charcoal or soft off-whites to balance its visual weight. Avoid placing it near other bright, saturated primaries to prevent visual vibration.
Is #c21111 readable on white or black?
#c21111 has a 6.20:1 contrast ratio on white and 3.38:1 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.