As views and even more panels are not perfect when it comes to translations if you need to have some fixed label with translation for some view/panel. You can create custom token for it and then just translate it over translation interface. Token creation is simple, just use this guide
1. Go to Admin > Structure > Custom Token, click on Add Token
2. Enter a Token Name and Description
3. Choose "Custom Tokens" for the Token Type or "Nodes Token" if you want it to be available on for example node panels overide.
4. In the PHP Replacement text area enter something like this:
$token_title = 'My label of Title';
5. Click "Save Token"