As character names:

U+1EBE LATIN CAPITAL 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 190, hex 0xBE, octal \276, binary 10111110
This is continuation byte 2, expecting 0 more.

U+1EBE	LATIN CAPITAL LETTER E WITH CIRCUMFLEX AND ACUTE
	: 00CA 0301