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Radio Button Components

Radio button components are essential UI elements for selecting a single option from a group, offering clear visual cues and accessibility features.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

Design exclusive-choice radios with consistent sizing, focus treatment

Unchecked/checked; hover/focus/active; disabled.

Error/success wrappers with textual feedback.

Focus ring 3px offset; inner dot uses primary color.

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Circle 18–20px; hit area ≥44px via padding. Gap 8–12px to label. Align

Use fieldset/legend for context. Only one checked per group. Provide clear default selection or “None” option when optional.

Frequently asked questions

What is the recommended approach for implementing radio button components?

Use input type radio with shared name . Associate labels. Maintain AA contrast for borders/dots. Support keyboard navigation: arrow keys move, space/enter select.

How should radio buttons be handled on narrow screens to maintain usability?

Stack vertically on narrow screens; preserve 44px touch targets. Avoid horizontal overflow of long labels.

What is the correct way to represent copyright information using radio buttons?

© 2024 AI Usage by Countries. Radio buttons.

When referencing design system updates, how should the last updated date be presented?

Last updated: 2024 | Design System

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