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M. GrahamPaints

M. Graham Artists' Oil Color - Cobalt Blue, 5 oz tube

Artists' Oil Colors

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  • Blick Art Materials
    $86.40 USDShop
    Recorded Oct 21, 2026, 10:02 AM UTC

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Product details
Size
150 ml
Blick SKU
01573-5185
About this product range

Artist and master paintmaker Art Graham put years of experience at other companies behind him and started his own business based on his own vision and values. The result is a paint, manufactured without fillers or additives, that goes back to some of oil painting's finest traditions.

M. Graham Artists' Oil Colors are made with a walnut oil binder, an alternative to traditional linseed oil that's been preferred by artists for centuries. In fact, today it's known that Renaissance masters such as Da Vinci and Durer generally favored walnut oil over linseed oil. Walnut oil provides rich, vibrant color that is naturally more alive and brilliant than traditional linseed oil. Free flowing and slow drying, M. Graham's walnut oil formulation enables delicate passages of finely blended color that retain their brilliance over time. Titanium White and Titanium White-Alkyd are made with a walnut-sunflower oil binder.

Pigment information

General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.

Cobalt Blue

Pigment code
PB28
Type
inorganic
Chemical name
cobalt(II) oxide + aluminum oxide
Chemical formula
CoO + Al2O3
Properties
Cobalt blue is a semitransparent pigment with low to moderate tinting strength. When it dries, it appears lighter and less saturated. Pigment particles are large and grainy. Differences in how the pigment is ground and mixed lead to considerable differences in its performance among various manufacturers.
Permanence
Cobalt blue is absolutely lightfast and extraordinarily stable. The stability of cobalt salts at high temperatures make them the standard for blues used in ceramics and glassware.
Toxicity
Cobalt salts are toxic. Avoid respiratory and skin contact. Soluble cobalt may cause irritation and allergic reaction through contact with skin. It is considered a possible carcinogen.
History
Since ancient times, smalt blue has been used to color glass and ceramics. Cobalt salts, which give smalt its characteristic blue color, were identified in the 18th century. Techniques for manufacturing Cobalt Blue, a chemically pure salt of cobalt and aluminum oxide, were developed in 1802.
Description
Smalt Blue

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