They made the rounds over the years, but the first viral blue emoji meme didn’t come until February 2021. Advertisement. @lazymau/X. Now, the emojis are popular, both as reaction memes.

The blue heart emoji first came out in 2010 and was added to Emoji 1.0 in 2015. If you're unsure about how to use a heart emoji, we have this handy guide. When should you use the blue heart emoji?