In the 7-bit ASCII character set, ASCII code 19 is represented by the control character ␓ also known as the device control three (xoff).

Attribute Value
Symbol
Unicode Symbol
Decimal 19
Octal 23
Hexadecimal 13
Binary 0001 0011
Description Device Control Three (XOFF)
Category Control Characters
Subcategory Transmission control
Unicode U+0013