As character names:

U+02D1 MODIFIER LETTER HALF TRIANGULAR COLON character (ˑ)

As raw characters:

ˑ

As a string of HTML entities:

ˑ

Decoder output:

Byte number 1 is decimal 203, hex 0xCB, octal \313, binary 11001011
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 145, hex 0x91, octal \221, binary 10010001
This is continuation byte 1, expecting 0 more.

U+02D1	MODIFIER LETTER HALF TRIANGULAR COLON
	* half-length mark
	x (middle dot - 00B7)