Certainly, the closing paragraph of the novel seems to suggest something of this, even if the colors are incorrect:
'So said Hester Prynne, and glanced her sad eyes downward at the
scarlet letter. And, after many, many years, a new grave was delved, near an old and sunken one, in that burial-ground beside which King's Chapel has since been built. It was near that old and sunken grave, yet with a space between, as if the dust of the two sleepers had no right to mingle. Yet one tomb-stone served for both. All around, there were monuments carved with armorial bearings; and on this simple slab of slate - as the curious investigator may still discern, and perplex himself with the purport - there appeared the semblance of an engraved escutcheon. It bore a device, a herald's wording of which may serve for a motto and brief description of our now concluded legend; so sombre is it, and relieved only by one ever-glowing point of light gloomier than the shadow:
"ON A FIELD, SABLE, THE LETTER A, GULES"'