blue21

A white heart icon inside a blue rectangular speech bubble on a black background.
Free for your Discord server

What does the blue21 emoji mean?

A simple, clean blue heart notification for when you really love something.

This blue heart notification bubble is a popular choice for Discord servers looking to express appreciation or agreement in a minimalist style. It mimics the aesthetic of social media notification pop-ups, making it perfect for reacting to messages, art, or announcements with a cool, calm vibe.

When to use it

  • Expressing appreciation for a shared link
  • Showing love for a cool message
  • Reacting to a beautiful piece of art
  • Acknowledging a thoughtful comment in chat

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How to add this emoji

Add to Discord
  1. Click Add to my server above and pick a Discord server you manage (CommunityOne must be installed).
  2. Or download the file: open Discord → Server Settings → Emoji → Upload Emoji.
  3. Give it a name and save. You need Manage Server (or Create Expressions) permission.
Add to Slack
  1. Download the blue21 image.
  2. Open the Slack emoji picker and click Add Emoji.
  3. Upload the file, name it, and save.
Add to Revolt/Stoat
  1. Download the blue21 image.
  2. Open Server Settings → Emojis in Revolt or Stoat.
  3. Upload the file and name your new emoji.
Add to Guilded
  1. Download the blue21 image.
  2. Go to Server Settings → Emotes in Guilded.
  3. Upload the file and give it a name.