Name (not too complex or hard to say), easy to find in a URL, own the domain, a one-line brand message, and visuals that look intentional — enough brand to launch, it does not have to be perfect, it can evolve in the first few months.
Founders waste hours on logos and color palettes. The brand at launch needs four things: a name people can spell, a domain you own, a one-line value prop, and visuals that look intentional. You will redesign everything within six months once you know who actually buys — so don't optimize before there's data.