Code point
U+FF40
Glyph appearance depends on your fonts.
U+FF40
Sk<wide> 0060U+FF40 FULLWIDTH GRAVE ACCENT is a Unicode 16.0.0 character in the Modifier Symbol category. It belongs to the Halfwidth and Fullwidth Forms block.
Choose the representation you need, then copy its value.
U+FF40
65344
`
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EF BD 80
FF40
0000FF40
%EF%BD%80
\uFF40
\uFF40
\uFF40
\FF40