Section 508 & WCAG 2.1 AA Accessibility Checklist
The 508 Accessibility Checklist ensures that all users — including clinicians, patients, and citizens with visual impairments, hearing loss, or motor limitations — can use our software without barriers. It mandates full keyboard navigability, high-contrast color palettes, clear screen reader labels, and animations that respect user motion preferences.
Plain-Language Executive Summary
The 508 Accessibility Checklist ensures that all users — including clinicians or patients with visual impairments or motor challenges — can use the platform using screen readers or keyboard navigation alone without relying solely on mouse clicks or colors.
Applied during frontend component design, React component authoring, and end-to-end browser test automation.
Accessibility Best Practices: Good vs. Bad Examples
Anti-Pattern Practice
Icon-only buttons with no aria-label, low-contrast gray text on dark cards, and keyboard focus trapped inside modal popups.
Verified Standard
Icon buttons with `aria-label="Close dialog"`, 16.5:1 AAA text contrast, and full keyboard escape key handlers.
Authoritative Accessibility Criteria (5 Items)
ACC-KEY-00010-00a0-00Complete Keyboard Operability & Visible Focus Indicator
Every interactive button, link, tab, and form input can be navigated and activated using `Tab`, `Enter`, and `Space`, with a high-contrast focus ring.
ACC-CON-00020-00a0-00Color Contrast Ratio Compliance (WCAG AA & AAA)
All text elements maintain minimum 4.5:1 contrast for normal text and 3:1 for large headings against their background.
ACC-ARI-00030-00a0-00Descriptive ARIA Labels & Semantic HTML Hierarchy
Pages use single `<h1>`, proper heading hierarchy, and descriptive `aria-label` tags on icon buttons and dynamic popups.
ACC-ALT-00040-00a0-00Meaningful Image & SVG Accessibility Markup
All SVG diagrams and images include `<title>`, `<desc>`, `role="img"`, or explicit `alt` text explaining their informational content.
ACC-MOT-00050-00a0-00Respect for Reduced Motion Preferences
All CSS animations and transitions respect `@media (prefers-reduced-motion: reduce)` by disabling non-essential motion.
Automated Accessibility Testing in CI/CD (Playwright + Axe-Core)
All pages in this portal run automated axe-core scans in headless Playwright to catch contrast or ARIA violations during automated pull request builds:
// tests/accessibility.spec.ts
import { test, expect } from '@playwright/test';
import AxeBuilder from '@axe-core/playwright';
test('verify WCAG 2.1 AA accessibility on compliance pages', async ({ page }) => {
await page.goto('/deterministic/compliance-guidelines');
const accessibilityScanResults = await new AxeBuilder({ page })
.withTags(['wcag2a', 'wcag2aa', 'section508'])
.analyze();
expect(accessibilityScanResults.violations).toEqual([]);
});Copy this prompt into your AI coding assistant to automatically audit and fix accessibility issues in your React UI components.
Next Checklist Gate: Security Pre-Flight Checklist
Learn how to enforce secret scanning, input validation, and SAST gates before deployment.
Community Discussion & Feedback
Attributed peer feedback and official Netspective architecture notes.