Choose Claude’s font and colour mode

Before you start

Sign in to Claude in a browser. Keep a short chat open so you can compare your changes with familiar text.

Choose a font

1. Select your name or initials in the lower-left corner.
2. Open Settings.
3. Select Appearance.
4. Find Chat font.
5. Compare Default, Match System and Dyslexic Friendly.
6. Return to your chat after each change.

Choose a colour mode

In the same Appearance panel, use Color mode to compare Light, Match System and Dark. Match System follows your device theme. You can collapse the sidebar with the control at its upper-right corner.

Try a reading check

Read a five-item list, move between two answers and copy a sentence. Notice whether you lose your place, need to lean closer or find punctuation difficult to distinguish. Keep the font that feels easier in these tasks.

If your screen differs

Compare the browser version with the app you normally use. If Chat font is absent, use browser zoom or your device text settings. Return to Default and Match System to undo this setup.

Availability and limits

These instructions follow Anthropic’s appearance documentation. They do not establish that every mobile app has the same controls. A font’s name does not mean it will suit every reader or resolve a reading difficulty.

Sources and checks

• Anthropic: appearance and chat font

Documentation checked: 2026-10-10. Product steps have not been tested in a signed-in vendor app for this edition.

Continue with your next task