As character names:

U+1EAF LATIN SMALL LETTER A WITH BREVE AND ACUTE character (ắ)

As raw characters:

ắ

As a string of HTML entities:

ắ

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 186, hex 0xBA, octal \272, binary 10111010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 175, hex 0xAF, octal \257, binary 10101111
This is continuation byte 2, expecting 0 more.

U+1EAF	LATIN SMALL LETTER A WITH BREVE AND ACUTE
	: 0103 0301