Keychain Access is empty

Keychain Access is empty

When I open my keychain access, it is empty. I can't see anything in it.
However, I know that all of my stuff is still working (websites don't
prompt me to log in, I join wifi networks, Xcode still see my developer
certs), etc.
I suspect that this happened when I changed my account password. As I
understand it, if I change the password in the Accounts pref pane, my
keychain passwords should update automatically.
So I suspected that maybe if I locked my keychain items in Keychain
access, and then unlocked them, that 1. I would be prompted for my
password, and 2. I might be able to see my stuff again. Neither one
happened.
Any thoughts on what I might do to rectify this? I have backups of all of
the important stuff (secrets, etc), but I'd really like to try fixing it
if I can.