As character names:

U+1EF1 LATIN SMALL LETTER U WITH HORN AND DOT BELOW character (ự)

As raw characters:

ự

As a string of HTML entities:

ự

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 187, hex 0xBB, octal \273, binary 10111011
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 177, hex 0xB1, octal \261, binary 10110001
This is continuation byte 2, expecting 0 more.

U+1EF1	LATIN SMALL LETTER U WITH HORN AND DOT BELOW
	: 01B0 0323