azulón
deep blue
azul
blue
+
-ón
augmentative suffix
Azulón means deep blue and can be broken down into azul0 (blue0) + -ón1 (augmentative suffix1), literally meaning 'big blue' or 'intense blue'.
noun
- deep blueA deep or intense blue colorEl cielo nocturno tenía un hermoso tono azulón. // The night sky had a beautiful deep blue tone.