At its peak, Martha Stewart’s media empire, built around her carefully curated and fussily decorated lifestyle brand, was worth well over $1 billion.

Yet on Monday, the company agreed to sell itself for a fraction of that.

Martha Stewart Living Omnimedia said that it would sell itself to the Sequential Brands Group, a conglomerate whose brands include Jessica Simpson and the Franklin Mint, for just $353 million.

It is in some ways a reminder of how far the company has fallen from its heights, when Ms. Stewart’s particular vision of a perfectly decorated lifestyle commanded attention and investor dollars.