Emoji 0.6
O button (blood type)
Also known as O, blood, button, type
A red square button with a white capital letter O, representing blood type O.
Meaning
The O button emoji shows a white letter O on a red square and represents blood type O. It is used in contexts related to blood donation, medical information, and health. Some people also use it simply as a stylized letter O or to mean zero.
Unicode name
Officially named Negative Squared Latin Capital Letter O, this character is intended to represent blood type O.
Platform designs
Apple
On Apple devices, it appears as a glossy red rounded square button containing a bold white capital letter O.
Google
In Google Noto design, it is a flat red square with slightly rounded corners and a plain white capital letter O in the center.
Twitter
In Twitter Twemoji design, it shows a flat red rounded square with a simple white capital letter O centered inside.
Noto (Apache 2.0) · Twemoji (CC BY 4.0) · OpenMoji (CC BY-SA 4.0)
Frequently Asked Questions
Which category does 🅾️ O button (blood type) belong to?
🅾️ O button (blood type) belongs to the symbols category, which contains 224 emojis.
Which Unicode version added 🅾️ O button (blood type)?
🅾️ O button (blood type) was added in Emoji 0.6. Its codepoint is U+1F17E, made up of 1 code points.
