#C21313 Hex Color
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#c21313 is an intense, saturated red that demands immediate attention. Because of its high visibility, this shade works best as a sharp accent or a call to action button rather than a large background. It pairs exceptionally well with charcoal or off-white to ground its inherent energy. White text maintains readable contrast against the hex code #c21313, ensuring accessibility for UI elements.
Questions about #c21313
What is #c21313 in RGB, HSL and CMYK?
In RGB, #c21313 is rgb(194, 19, 19), in HSL hsl(0, 82%, 42%) and in CMYK 0%, 90%, 90%, 24%.
Is #c21313 suitable for large background areas in a user interface?
Avoid using #c21313 for large backgrounds because its extreme intensity can quickly overwhelm users and cause eye fatigue. Instead, reserve this vivid red for critical UI components like error states, primary buttons, or specific alert notifications that require immediate visibility.
Is #c21313 readable on white or black?
#c21313 has a 6.18:1 contrast ratio on white and 3.39:1 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.