Colour Grip colour pencil
Midnight blue
Canetas Artísticas Pitt Pincel Azul Celeste 146
Canetas Artísticas Pitt Pincel Azul Ftalico 110
Canetas Artísticas Pitt Pincel Indigo 157
Perfect Pencil III with built-in sharpening box
blue
Blue metallic
Blue neon
Goldfaber Aqua watercolour pencil
ultramarine
light ultramarine
cobalt blue
helioblue reddish
light blue