Revelation 1:18

About:  Keys of Hades symbolically represents Christ's authority, control, and dominion over death, and Hades. When Christ was crucified on the cross He not only paid for the sins of man he was given the authority, control, and dominion over death and Hades.

Symbolism:  The gates represent  Hades and the Keys represent the "keys of Hades." Blood red is shown in the design to refelect Christ's cruifixion.