Accessibility principles for inclusive design - keyboard navigation, screen readers,ARIA, color contrast, and focus management. WCAG compliance for interfaces usable by all.Use when implementing interactive UI components requiring accessibility:- Forms, buttons, links, interactive elements needing keyboard access- Keyboard navigation, focus management, tab order- Screen reader support with semantic HTML and ARIA attributes- Color contrast validation for text/buttons (WCAG AA/AAA standards)- Modals, dialogs, dropdowns needing focus trapping- User mentions "accessible", "WCAG", "disabilities", "keyboard", "screen reader"Keywords: accessible, accessibility, WCAG, keyboard, screen reader, ARIA, contrast, a11yFocus on making UI usable via keyboard, screen readers, assistive technologies.