Fans think they know why actor Claire Foy refuses to sign fan’s autograph in blue ink

Nabbing a celebrity signature is an achievement like no other for die-hard fans, but what happens when your offer is refused for a seemingly strange reason?

A fan was recently left baffled when The Crown star Claire Foy wouldn’t sign an autograph when they handed her a blue pen.

The video, which was posted to TikTok by @mickmicknyc, showed the 39-year-old British favourite - who played a young Queen Elizabeth II in the Netflix series - tell the fan: "I don’t do blue."

The clip quickly went viral and has divided opinions all across the internet.

In response to Foy’s dismissal, the man asked: “What?”

The actor then repeated that she just doesn’t ‘do blue’ during the interaction which left people scratching their heads.

However, after walking past the blue-pen-man another person further up the line handed her a black pen which was used to sign without issue.

Under the clip, viewers were quick to throw out their own theories about why blue was such an issue.

One person suggested an answer which echoed many in the comment section. They said: “Most celebrities and athletes are taught not to do blue ink cause you can scan and forge the signature on other things and sell them.”

But how true is this?

However, according to an expert, this belief doesn’t quite ring true.

Christopher M. Naghibi, who is a banker and attorney, dispelled the idea that blue ink is easier to forge in an interview with TODAY.

He explained: "The notion that blue ink can be forged more easily than black ink isn't necessarily accurate in the context of modern technology.

"It really stems from an old, outdated ideology."

Naghibi went on to share that historically, blue ink when scanned or copied didn’t not hold the same contrast as black ink when copied. But due to ‘advancements in scanning and printing technology,’ he said ‘this distinction has become less relevant’ between each colour.

He added: "As an attorney, I can tell you that blue ink is often preferred for signing important documents because it helps distinguish an original signature from a black-and-white photocopy or a printed signature."

Naghibi went on to share that the ability or risk to forge isn’t dependant on the colour of ink, but through the quality of paper.

He said: "Both blue and black inks can be subject to forgery, and the security against forgery primarily depends on the methods used for verification and the quality of the inks and paper, rather than the color of the ink itself."

So, there you have it. Celebrities can now feel at ease to do the blue!