The emblem of the Order dates from the Second Supreme Council Meeting May 12, 1883, when it was designed by James T. Mullen, who was then then Supreme Knight.
 

A quick glance at the emblem indicates a shield mounted upon the Formee Cross.  The shield is that associated with a medieval Knight.  The Formee Cross is the represention of a traditionally artistic design of the Cross of Christ through which all graces of redemption were procurred for mankind.  This then represents the Catholic spirit of the order.

Mounted on the shield are three objects: a fasces
(a bound bundle of wooden rods, including an axe)  standing vertically and crossed behind it, an anchor and a dagger or short sword.  The fasces from Roman days is symbolic of authority which
must exist in any tightly-bonded and efficently operating organization.  The anchor is the mariner's symbol for Columbus, patron of the Order, while the short sword or dagger was the weapon of the Knight when engaged upon an errand of mercy.  Thus, the shield expresses Catholic Knighthood in organized merciful action, and the letters, K. of C., proclaims this specific form of activity.

The red, white and blue in the background of the shield and the foreground of the Cross of Malta are the colors of our country.  As such, red is the symbol of stout-hearted courage, of pulsing activity and a full measure of devotion.  Blue is the symbol of hope, of calm tranquility under God and of nobility of purpose, of puriity of aim and crucible - tried ideas to be carried out.

But there is another symbolism of color in red, white and blue.  This is the ecclesiastical symbolism in which red becomes the reflection of the drips of Christ's redemptive bllod shed upon Calvary, and of the martyr's blood shed in defense of the faith.

Red then is the symbol of Faith, of belief in Christ, in the Redemption and the knowledge and love of Jesus Christ.
White is the color of the Eucharistic Host, pledge of God's Eucharistic presence amoung men, of the infinite love God has for man and the overwhelming affection which the God-man has for each individual.  White then is the symbol of Christ-like Charity.  Blue is the color of Our Lady's mantle, in which she wrapped her beloved Son, through Whom came Salvation to a sinful world.  Blue is then the symbol of Hope.