No, the Bible doesn't tell us what Jesus looked like, nor do we have any paintings or other images from His time that portray Him. Later artists often tried to imagine what He must have looked like (either as a baby or as an adult), but they are simply that—the product of the artist's imagination.
Jesus, however, must have been a person who drew people to Himself, both by His righteousness and by His compassion. When people looked in His face they must have sensed God's love—and also Jesus' divine authority. When some of His enemies tried to get Him to contradict Himself or say something wrong, they eventually gave up in defeat, and we read that "from that day on no one dared to ask him any more questions" (Matthew 22:46). Both His wisdom and His physical boldness must have confounded His opponents.
I suspect one reason the Bible doesn't tell us what Jesus looked like is because if it did, some might try to manufacture idols of Him, and people would end up worshiping them instead of Christ. But that would be wrong, for the Bible is clear: "You shall not make for yourself an idol" (Exodus 20:4).
Although we don't know what Jesus looked like, we do know who He was—and that's the important thing. He was God in human flesh, sent from heaven to save us from our sins. Does Christ live in your heart? If not, give your life to Him today.