Code point
U+253B
Glyph appearance depends on your fonts.
U+253B
SoU+253B BOX DRAWINGS HEAVY UP AND HORIZONTAL is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Box Drawing block.
Choose the representation you need, then copy its value.
U+253B
9531
┻
┻
E2 94 BB
253B
0000253B
%E2%94%BB
\u253B
\u253B
\u253B
\253B