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Michael Harding
Cobalt Blue Deep - Michael Harding
Oil ColourPB74
PB74

Cobalt Blue Deep

No. 517 · Series 5 · 40ml · 60ml · 225ml, 1L, 2.5L, 5L

Cobalt Blue Deep (No. 517) Ⓥ VEGAN Cobalt Blue Deep is one of the most dependable and elegant blues imaginable; rich, atmospheric and wonderfully lightfast. Possessing all the qualities that have made cobalt pigments favourites among painters for generations, it delivers depth, harmony and permanence in equal measure.

Technical Summary

Cobalt Blue Deep is a single-pigment Michael Harding oil colour made with PB74 (Inorganic).

It is semi-opaque, excellent lightfastness, very fast drying time, average tinting strength.

It is ground in linseed oil with low oil content.

Code
No. 517
Series
Series 5
Pigment Index
PB74
Pigment Type
Inorganic
Oil / Vehicle
Linseed Oil
Sizes
40ml · 60ml · 225ml, 1L, 2.5L, 5L
Lightfastness
Excellent
Opacity
Semi-Opaque
Drying
Very Fast
Oil Content
Low
Tint Power
Average
Toxicity
Non-Toxic
Colour Science

Measured colour data

Loading measured pigment data…

Pigment Behaviour

Tint · Tone · Shade · Glaze

Preview how Cobalt Blue Deep behaves when mixed, toned, shaded and glazed. Each swatch is computed from the masstone using a perceptual subtractive model - an approximation for guidance, not a formulation guarantee.

Masstone swatch
Masstone
L 9.93 · a 18.6 · b -39.95
6.94PB 1.0/9.4

Cobalt Blue Deep straight from the tube.

Undertone
#c6cae3

A thin wash over white.

Tint
#4a5192

Mixed with Titanium White.

Tone
#353a6a

Mixed with a mid neutral grey.

Shade
#121640

Darkened with a chromatic black.

Glaze
#9ea4cd

A thin transparent film over white.

Mix with Cobalt Blue Deep

Popular combinations

Open Cobalt Blue Deep in the Virtual Mixing Studio to preview how it combines with these partners before you reach for the palette.

Open Cobalt Blue Deep in Mixing Studio
Cobalt Blue Deep: Questions & Answers

What pigment is used in Cobalt Blue Deep?

Cobalt Blue Deep is made with PB74.

Is Cobalt Blue Deep a single-pigment colour?

Yes. Cobalt Blue Deep uses a single pigment (PB74), so its behaviour stays consistent and predictable on the palette.

Is Cobalt Blue Deep transparent or opaque?

Cobalt Blue Deep is semi-opaque.

Is Cobalt Blue Deep lightfast?

Cobalt Blue Deep has excellent lightfastness.

Artist Reviews

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Colour Disclaimer: Colours shown on screen or in print may vary from the actual product. For the most accurate representation of colour, texture and finish, we recommend viewing a physical sample or swatch in person before making your final selection.

Product Information & Disclaimer

The information provided on this website is based on research and testing conducted by Michael Harding Art Formulas Ltd and is intended as general guidance on the characteristics and potential uses of our products in established painting practices.

While we take care to provide accurate and reliable information, individual materials, techniques, working conditions and applications can vary. Michael Harding Art Formulas Ltd cannot guarantee that any product will be suitable for every individual purpose or application. Users should carefully read all product labels, instructions and safety information and carry out appropriate testing before use, particularly when developing individual techniques or combining materials.

To the fullest extent permitted by applicable law, Michael Harding Art Formulas Ltd makes no express or implied warranties as to merchantability or fitness for a particular purpose and accepts no liability for any loss or damage, including indirect or consequential loss, arising from the use or application of its products.

Colour Representation

Colours displayed on this website and in printed materials are for guidance only. Their appearance may vary depending on screen settings, device, lighting conditions, printing processes and other factors, and may therefore differ from the appearance of the physical product.

For the most accurate representation of colour, texture and finish, we strongly recommend viewing a physical product sample or swatch in person before making a final selection or purchase. Where colour accuracy is important, please do not rely solely on digital or printed representations.

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