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Accessibility Guidelines

WCAG 2.1 AA standards and best practices for inclusive design

Our Commitment

MUZISYSTEM is built with accessibility as a core principle. All components meet WCAG 2.1 Level AA standards, ensuring our design system is usable by everyone, regardless of their abilities or the technologies they use.

Color Contrast

Ensuring readability for all users

✅ Requirements

  • Normal text - Minimum 4.5:1 contrast ratio
  • Large text (18px+) - Minimum 3:1 contrast ratio
  • UI components - Minimum 3:1 contrast ratio
  • Focus indicators - Minimum 3:1 contrast ratio

🎨 Testing

All color combinations are tested with:

  • Chrome DevTools Lighthouse
  • axe DevTools
  • Contrast ratio calculators
  • Color blindness simulators

Keyboard Navigation

Full keyboard accessibility for all interactive elements

Focus Management

  • Visible focus indicators - All interactive elements have clear focus states
  • Logical tab order - Tab navigation follows visual layout
  • Skip links - Allow users to skip repetitive content
  • Focus trapping - Modals and dialogs trap focus appropriately

Keyboard Shortcuts

  • Tab - Navigate forward
  • Shift + Tab - Navigate backward
  • Enter / Space - Activate buttons and links
  • Esc - Close modals and dropdowns
  • Arrow keys - Navigate within components (tabs, menus)

Screen Readers

Semantic HTML and ARIA for assistive technologies

Semantic HTML

  • Proper heading hierarchy (h1-h6)
  • Semantic landmarks (nav, main, aside)
  • Lists for grouped content
  • Buttons for actions, links for navigation

ARIA Attributes

  • aria-label for icon buttons
  • aria-describedby for form hints
  • aria-live for dynamic content
  • role when semantic HTML isn't enough

Forms & Inputs

Accessible form design and validation

Best Practices

  • Labels - Every input has an associated label
  • Error messages - Clear, specific, and announced to screen readers
  • Required fields - Marked with both visual and programmatic indicators
  • Autocomplete - Appropriate autocomplete attributes for common fields
  • Input types - Use semantic input types (email, tel, number)

Testing Checklist

Ensure your implementation is accessible

Manual Testing

  • ✅ Navigate entire page using only keyboard
  • ✅ Test with screen reader (NVDA, JAWS, VoiceOver)
  • ✅ Verify focus indicators are visible
  • ✅ Check color contrast with DevTools
  • ✅ Test with browser zoom at 200%
  • ✅ Verify text can be resized without breaking layout

Automated Testing

  • ✅ Run axe DevTools audit
  • ✅ Check Lighthouse accessibility score (≥95)
  • ✅ Validate HTML with W3C validator
  • ✅ Test with Pa11y or similar tools

Resources