You might assume you have known depression, but you would not speak such cruelties had you truly experienced the depths of sadness that a human being is capable of feeling.
Raw colors are not the whole story. Font weight matters too. Being just on this side of passing the check is also not great, just better than bad. Ambient lighting and display quality matter a lot too.
Okay, any specific feedback, then? Not seeing it (shrug)—I like how it feels.
Yes, increase the font weight or contrast. You don't need to go all the way to #000 but a darker shade for body text would improve legibility significantly.