Cobalt Blue

Joules & Joules Cobalt Blue Matte Acrylic Paint is a vibrant medium blue that is highly lightfast, semi-opaque, with moderate tinting strength and moderate covering power. It is a cool, slightly greenish blue, saturated and highly luminous. An excellent color for adding saturation and brightness to mixtures, it enhances chromatic intensity without overpowering other hues. The color is made from the synthetic inorganic pigment PB28, used in the production of pigment dispersions manufactured by Joules & Joules.

Pigment Classification Synthetic Inorganic Pigment

Chemical Composition Cobalt Aluminum Oxide – CoAl₂O₄

Color Index PB 28

Binder Acrylic Resin

Transparency/Opacity Semi-Opaque

Lightfastness I (Excellent)

Tinting Strength Medium

Drying Time Fast

Notes Not affected by light or heat. Over time, it may lighten slightly toward a more pastel tone.

Toxicity Toxic if ingested. If swallowed, rinse mouth and contact a poison control center or a physician if you feel unwell. Avoid contact with eyes and prolonged contact with skin, as it may cause irritation.

MSDS (Safety Data Sheet) Available on the website here.

Series 3

Availability 37 ml and 100 ml tubes, and 250 ml jars.