1 John 1:7

But if we walk in the light, as he is in the light; we have fellowship with one another, and the blood of Jesus Christ the Son cleanses us from all sin.

Revelation 1:5

and from Jesus Christ, the faithful witness, the first born of the dead, and the ruler of the kings of the earth; to him who has loved us, and washed us from our sins in his own blood,

Revelation 7:13-14

And one of the elders answered, saying to me, As for those who are clothed with white apparel, who are they, and whence do they come?

Treasury of Scripture Knowledge

Summary

Purge me with hyssop, and I shall be clean: wash me, and I shall be whiter than snow.

Bible References

And

1 John 1:7
But if we walk in the light, as he is in the light; we have fellowship with one another, and the blood of Jesus Christ the Son cleanses us from all sin.
Revelation 1:5
and from Jesus Christ, the faithful witness, the first born of the dead, and the ruler of the kings of the earth; to him who has loved us, and washed us from our sins in his own blood,

Whiter

Revelation 7:13
And one of the elders answered, saying to me, As for those who are clothed with white apparel, who are they, and whence do they come?