Code point
U+241B
Glyph appearance depends on your fonts.
U+241B
SoU+241B SYMBOL FOR ESCAPE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Control Pictures block.
Choose the representation you need, then copy its value.
U+241B
9243
␛
␛
E2 90 9B
241B
0000241B
%E2%90%9B
\u241B
\u241B
\u241B
\241B