---
title: "O Button Blood Type Emoji | Free Download PNG & SVG | OpenMoji Emoji"
product: "Streamline Icons, Illustrations and Elements"
url: /elements/download/o-button-blood-type--31878
canonical_url: "https://www.streamlinehq.com/elements/download/o-button-blood-type--31878"
summary: "Colorful emoji of a white O on a red square. Used for blood type labels, medical forms, and health apps."
---

# O Button Blood Type emoji

The O Button Blood Type emoji shows a white letter O centered on a red square with rounded corners. Drawn in OpenMoji’s colorful, clean, flat style, it reads clearly in practical visual communication. Use it for blood type labels, medical forms, health apps, emergency information, and hospital interfaces. It belongs to OpenMoji Emoji free set.

## Preview

![Colorful emoji of a white O on a red square. Used for blood type labels, medical forms, and health apps.](https://assets.streamlinehq.com/image/private/w_512,h_512,ar_1/f_auto/v1/icons/2/o-button-blood-type-fooq7j481siufffmb5daoc.png/o-button-blood-type-fggcr6xdip96u26k51n39.png?_a=DATAiZkSZAA0)

## Details

- **Name**: O Button Blood Type
- **Type**: Emoji
- **Set**: [OpenMoji Emoji](/elements/openmoji.md) — OpenMoji is a free and open source emoji set, created by OpenMoji
- **Family**: [Emojis](/elements/emojis.md)
- **Category**: All Emojis › Vectors
- **Default size**: 32px
- **Pricing**: Free
- **License**: [CC BY-SA4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- **Author**: [OpenMoji](https://openmoji.org/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: o, button, blood, type

## Download

- [Download O Button Blood Type on Streamline](https://www.streamlinehq.com/elements/download/o-button-blood-type--31878)

## Also available in other styles

- [O Button Blood Type — Twemoji Emoji](/elements/download/o-button-blood-type--31868.md) (Free)
- [O Button Blood Type — EmojiTwo Colors](/elements/download/o-button-blood-type--31896.md) (Free)
- [O Button Blood Type — Noto Emojis](/elements/download/o-button-blood-type--31888.md) (Free)
- [O Button Blood Type — EmojiTwo Black](/elements/download/o-button-blood-type--31902.md) (Free)

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