Windows
Hold Alt and type 637 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All R accentsHold Alt and type 637 on the numeric keypad.
Character Viewer → r hook
Type 027D then Alt + X
Insert → Special characters → r hook
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 637, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+027Dɽɽ\027D\u{027D}Alt + 637