Thanks. I hadn’t considered a black knit (although I do have one), because I usually think of only using it for evenings. Interestingly enough, I was thinking that any neutral-colored tie would work (grey glen plaids, etc.), but black completely slipped the mind. I’ll keep that stored for the future.
As for lavender socks, I got mine from Happy Socks, but they don’t seem to have that color on the site anymore. You could check Nordstrom Rack though, as I often have seen them for $5/pair. Also, Gilt occasionally has sales on their socks, too. If you’re willing to spend more per pair, then give dieworkwear’s post on socks a read for suggestions.