sombre
dark is sombre or foncé(e) in French.
dark blue is translated 'bleu foncé' in French
"Dark black" in English is noir foncé in French.
Sombre
brun fonce
Bleu foncé
Dark angel: Ange sombre
You can say "Il faisait sombre dehors" in French to express that it was dark outside.
French and European folks have dark brown eyes.
'I want to have dark green eyes in French?' is 'Je veux avoir les yeux vert foncé'.
dark brown
Eau Sombre