Accessibility in Blazor Radio Button

27 Aug 20263 minutes to read

The Blazor Radio Button 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 Radio Button component is outlined below.

Accessibility Criteria Compatibility
WCAG 2.2 Support AA
Section 508 Support Yes
Screen Reader Support Yes
Right-To-Left Support Yes
Color Contrast Yes
Mobile Device Support Yes
Keyboard Navigation Support Yes
Axe-core Accessibility Validation Yes
Yes - All features of the component meet the requirement.
Intermediate - Some features of the component do not meet the requirement.
No - The component does not meet the requirement.

WAI-ARIA attributes

The Blazor Radio Button component follows the WAI-ARIA patterns to meet accessibility requirements. The following ARIA attributes are used in the Blazor Radio Button 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 Radio Button 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 Radio Button component’s accessibility levels are validated using axe-core with Playwright tests.

The accessibility compliance of the Blazor Radio Button component is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Blazor Radio Button component with accessibility tools.

See also