```md
<!-- Button.stories.mdx -->

import { Meta, Story } from '@storybook/addon-docs';

import { Button } from './Button';

<Meta title="Button" component={Button} />

<Story
  name="Primary"
  parameters={{
    backgrounds: {
      values: [
        { name: 'red', value: '#f00' },
        { name: 'green', value: '#0f0' },
        { name: 'blue', value: '#00f' },
      ],
    },
  }}
  args={{
    primary: true,
    label: 'Button',
  }}
  render={() => ({ // Your implementation here })} />
```