Hm…tough topic. But let’s go with purple being the color of royalty, which is what Christ is. The Son of the Almighty God, He is our King.
As the Westminster Shorter Catechism puts it:
Q. 23. What offices doth Christ execute as our Redeemer?
A. Christ, as our Redeemer, executeth the offices of a prophet, priest, and king.
Q. 26. How doth Christ execute the office of a king?
A. Christ executeth the office of a king, in subduing us to him- self, in ruling and defending us,y and in restraining and conquering all his and our enemies.z
Q. 27. Wherein did Christ’s humiliation consist?
A. Christ’s humiliation consisted in his being born, and that in a low condition, made under the law, undergoing the miseries of this death, to present you holy and unblameable and unreproveable in his sight.
Jesus Christ is our King, he subdues us to serve Him, that includes freedom from the sin that enslaves us before we know Him. He rules us – a benevolent ruler who is truly looking out for our best interests. And He restrains and conquers all of His and our enemies. All of them conquered, gone, done away with. We can trust Him to rule us well, and to handle the enemies that attack us and Him. Our flesh, satan, the World.
Turn to Him, He is always present, always waiting for you to turn, and ready to welcome you as his subject and sibling. Granted all the inheritance that is ours, already here in the known world and even moreso in the world to come! Amen, and come Lord Jesus!