#blue
The most viral posts using #blue across TikTok, Instagram, X, Facebook and Pinterest — ranked by real engagement tracked by ViralHunt.
We track 1115 posts using #blue across 7 networks, carrying 13.8M engagement between them — an average of 12.4K per post.
It is used most on Bluesky: 914 of the 1115 posts we hold, 82% of the total.
Where it performs hardest per post, though, is TikTok, averaging 298.8K — so the tag is posted most in one place and lands best in another, which is exactly the difference worth knowing before choosing where to use it.
Ranking comes from the posts themselves rather than from how often the tag appears, and it is recalculated as new posts are collected. How we measure this →
Top #blue posts ALL NETWORKS
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Most viral #blue on Bluesky
See all 914 Bluesky posts and track new ones live.
Most viral #blue on Instagram
See all 112 Instagram posts and track new ones live.
Most viral #blue on Tumblr
See all 33 Tumblr posts and track new ones live.
Most viral #blue on Pinterest
See all 23 Pinterest posts and track new ones live.
Most viral #blue on TikTok
See all 21 TikTok posts and track new ones live.
Most viral #blue on Douyin
See all 8 Douyin posts and track new ones live.
Most viral #blue on Mastodon
#blue in five questions
What is #blue and where is it used?
A hashtag with 1.1K posts tracked by ViralHunt across 7 networks, mostly on Bluesky (914 posts). Those posts add up to 13.8M engagement, about 12.4K per post.
Where does #blue perform best?
On TikTok: 298.8K engagement per post on average, even though it is posted more on Bluesky. It is used in one place and works better in another.
When do people post with #blue?
Mostly on Sundays, around 12:00 UTC: 17% of the 1.1K dated posts fall in the three hours around that time. Posting when the tag is active is posting when someone is reading it.
Who uses #blue most?
neuropsychiatry_ (Instagram, 79 posts), lighthousebot.bsky.social (Bluesky, 54 posts), sexybluegirls.bsky.social (Bluesky, 37 posts), barracuda-22.bsky.social (Bluesky, 29 posts), timeline-cleanse.bsky.social (Bluesky, 27 posts), itscosmoknowledge (Instagram, 11 posts).
When people post with #blue
Hour of day and day of the week of the 1.1K dated posts carrying this tag (times in UTC). The busiest hour and day are marked.
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