Accessibility in Blazor RadioButton component
4 Nov 20253 minutes to read
The Blazor RadioButton component follows established accessibility guidelines and standards, including ADA, Section 508, and WCAG 2.2. It also adheres to applicable WCAG roles used to evaluate accessibility.
The accessibility compliance for the Blazor RadioButton component is outlined below.
| Accessibility Criteria | Compatibility |
|---|---|
| WCAG 2.2 Support |  |
| Section 508 Support | |
| Screen Reader Support | |
| Right-To-Left Support | |
| Color Contrast | |
| Mobile Device Support | |
| Keyboard Navigation Support | |
| Axe-core Accessibility Validation | |
- All features of the component meet the requirement.
- Some features of the component do not meet the requirement.
- The component does not meet the requirement.WAI-ARIA attributes
The Blazor RadioButton component followed the WAI-ARIA patterns to meet the accessibility. The following ARIA attributes are used in the Blazor RadioButton component:
| Attributes | Purpose |
|---|---|
aria-disabled |
Indicates that the element is perceivable but disabled, so it is not editable or otherwise operable. |
Keyboard interaction
The Blazor RadioButton component follows the keyboard interaction guideline, supporting users of assistive technologies and keyboard-only navigation. The following keyboard shortcuts are supported:
| Windows | Mac | Actions |
|---|---|---|
| ↑ or ← | ↑ or ← | Move focus to and select the previous option. |
| ↓ or → | ↓ or → | Move focus to and select the next option. |
Ensuring accessibility
The Blazor RadioButton component’s accessibility levels are validated using axe-core with Playwright tests.
The accessibility compliance of the Blazor RadioButton component is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Blazor RadioButton component with accessibility tools.