As character names:

U+1EBF LATIN SMALL LETTER E WITH CIRCUMFLEX AND ACUTE character (ế)

As raw characters:

ế

As a string of HTML entities:

ế

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 191, hex 0xBF, octal \277, binary 10111111
This is continuation byte 2, expecting 0 more.

U+1EBF	LATIN SMALL LETTER E WITH CIRCUMFLEX AND ACUTE
	: 00EA 0301