The Colorado Avalanche failed another test against an NHL playoff contender, losing 5-2 to the Los Angeles Kings to leave head coach Jared Bednar frustrated.

The Kings recorded their fifth straight win, improving their record to 38-20-8 to sit second in the Pacific Division.

But the Avs are third in the Central Division with a 35-21-6 record, having lost four of their past five games, all against sides in the playoffs contention.

"There's another level of determination and passion that we can play with, if we want to win against the good teams," Bednar told reporters.

"It's deflating, because you feel like you're right there and you know they're a difficult team to score against."

Adrian Kempe opened the scoring in the first period and Gabriel Vilardi doubled their advantage at 17:10.

Evan Rodrigues halved the deficit, deflecting in Samuel Girard's point shot at 14:59 of the second period. But Kempe restored the Kings' two-goal lead early in the third.

Nathan MacKinnon made it 3-2 with a snap shot at 4:24 on the power play, only for Phillip Danault to score twice to seal victory for the Kings, the latter into an empty net.

Avs defenseman Cale Makar reiterated Bednar's sentiment, with Colorado's postseason hopes getting tight.

"We should have approached this like a playoff game tonight," Makar said. "Felt like we knew the type of team they are.

"We know that they're so systematically sound that it tends to frustrate teams when they sit back and don't allow you to get in their zone."