Polychromos colour pencil
151 helioblue reddish
Pitt Artist Pen Brush India ink pen
ultramarine
light indigo
145 light phthalo blue
Albrecht Dürer watercolour pencil
cobalt blue
skyblue
helioblue reddish
light phthalo blue
Oil pastels
cardboard wallet of 36
120 ultramarine
146 skyblue
157 dark indigo
110 phthalo blue
140 light ultramarine
152 middle phthalo blue
247 indanthrene blue
246 Prussian blue
phthalo blue
dark indigo
light ultramarine
cobalt blue-greenish
middle phthalo blue