O button (blood type)

Your device cannot show this emoji yet. It still copies, and newer phones will show it.

Shortcode: :o2:
Shortcode: :o_button_blood_type:
Unicode: U+1F17E
HTML: 🅾
CSS: \1F17E
JavaScript: "\u{1F17E}"
URL: %F0%9F%85%BE%EF%B8%8F

What 🅾️ means

A white O in a red box, for blood type O. It also works as the letter O, a zero, or a ring.

People use 🅾️ to spell words with letter emoji, to stand in for an O in names, and in donation drives that ask for type O blood. With ❌ it can spell out XOXO, hugs and kisses.

It looks close to ⭕ and 0️⃣, which carry different meanings.

Facts

O button (blood type) 🅾️ is an emoji in the symbols category, under alphanum. It is one of the early emoji from Japanese phones, standardized in Unicode 6.0 (2010). On GitHub, Slack and other apps you can type it as :o2: or :o_button_blood_type:. People also look for it with words like “O”, “blood”, “button”, or “type”.