A few folks were asking about the Bosque Blue tomatoes here at Ojai Valley Inn, so here are a few more shots. Like all "blue" food, it is actually more purple, turning more reddish as it ripens.
These are some cultivars per Wikipedia:
Black Beauty
Blue Bayou
Blue Chocolate
Blue Gold
Dancing with Smurfs
Dark Galaxy
Fahrenheit Blues
Helsing Junction Blues
Indigo Blue Berries
Indigo Rose
Indigo Ruby
SunBlack
Purple Bumblebee