| Rembrandt Olieverf | Sevres Blue (530) 15 ml | | Rembrandt |
| Ranger Archival Ink pad - manganese blue | | Ranger |
| W&N Professional Aquarelverf 5ml | Cobalt Blue | | Winsor & Newton |
| Bob Ross 37ml prussian blue | | Bob Ross |
| Carandache Fibralo | Cobalt Blue | | Caran D'ache |
| ARA Acrylverf 250 ML B37 Ultramarine Blue Light | | Ara |
| Rembrandt Olieverf | King's Blue (517) 15 ml | | Rembrandt |
| ARA Acrylverf 500 ML E250 Cobalt Blue | | Ara |
| ARA Acrylverf 500 ML B259 Blue Grey | | Ara |
| Sharpie pen S-Gel multipack – blue, black, red | | Sharpie |
| Winton olieverf 37 ml Cerul Blue Hue | | Winsor & Newton |
| Sequin Art • Blue Duitse herder | | Sequin Art |
| Ranger Archival Ink pad - cornflower blue | | Ranger |
| Chameleon Color Tones BV4 Blue Violet | | Chameleon |
| Van Gogh Olieverf Cobalt Blue (511) 20ml | | Van Gogh |
| ARA Acrylverf 500 ML B244 Ultramarine Blue Deep | | Ara |
| Tombow ABT dual brush pen cobalt blue ABT-535 | | Tombow |
| Chameleon Color Tops Blue Tones | | Chameleon |
| VersaCraft inkpad small baby blue | | Tsukineko |
| ARA Acrylverf 250 ML B220 Old Delft(prussian)Blue | | Ara |
