Apps should provide enough contrast between text and its background so that it can be read by people with moderately low vision. Furthermore, user interface components should also have enough contrast. Low contrast controls are more difficult to perceive, and may be completely missed by people with a visual impairment.
Relates to 1.4.1, 1.4.3, 1.4.11
On Android, you can use the Accessibility Scanner app to detect contrast issues automatically.
// No code required
On iOS, can use Xcode's Accessibility Inspector to detect contrast issues automatically.
// No code required
With Flutter, you can use the Accessibility Scanner app and Xcode's Accessibility Inspector to detect contrast issues automatically.
// No code required
With React Native, you can use the Accessibility Scanner app and Xcode's Accessibility Inspector to detect contrast issues automatically.
// No code required
With Xamarin, you can use the Accessibility Scanner app and Xcode's Accessibility Inspector to detect contrast issues automatically.
// No code required