Winsor & Newton Professional Watercolor - French Ultramarine, 5 ml Tube

Watercolor

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$8.90

Blick Art Materials · recorded 2026-10-21T07:23:02.696962000Z

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Product details
Size
5 ml
Blick SKU
00319-5271
About this product range
  • The trusted choice of professional watercolorists since 1832
  • Expansive range of 100+ colors
  • Majority single-pigment formulations for optimal mixing
  • Lightfast, permanent, and tested for color strength

Winsor & Newton Professional Watercolor Tubes are renowned for their enduring quality and heritage dating back to 1832. Trusted by renowned artists like John Singer Sargent, these watercolors combine historical recipes with modern advancements in pigment technology. Powerful, luminous, and unparalleled in their clarity, an expansive range of over 100 colors allows artists to create a palette that best suits their work.

Individually crafted for optimal pigment dispersion, over half the range features single-pigment formulations for predictable and accurate color mixtures. Colors are thoroughly tested for lightfastness and tint strength to ensure your work remains vibrant over time. A range of granulating colors allows artists to achieve beautiful textures that can be maximized through mixing.

__Cadmium-Free__-Formulated by chemists and approved by artists, these new paints deliver the same cadmium color strength, vibrancy, transparency, and lightfastness you expect, but without the cadmium.

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.

Ultramarine [Blue]

Pigment code
PB29
Type
inorganic
Chemical name
complex silicate of sodium and aluminum with sulfur
Chemical formula
Na8-10Al6Si6O24S2-4 or Na6-8Al6Si6O24S2-4
Properties
Ultramarine is the standard warm blue, a brilliant blue pigment that has the most purple and least green in its undertone. It has a moderate to high tinting strength and a beautiful transparency. Synthetic Ultramarine is not as vivid a blue as natural Ultramarine. Ultramarine dries slowly in oil and tends to produce clean, though granular, washes in watercolor. French Ultramarine mixes well with Alizarin colors in oil and watercolor form to create a range of purples and violets. It can dull when mixed with white in acrylic form, but mixes well with other colors. The shade varies based on manufacturer. Considered a great color for glazes, it is not suitable for frescoing.
Permanence
Ultramarine has excellent permanence, although synthetic Ultramarine is not as permanent as natural Ultramarine. It may discolor if exposed to acid because of its sulfuric content.
Toxicity
Ultramarine has no significant hazards.
History
The name for this pigment comes from the Middle Latin ultra, meaning beyond, and mare, meaning sea, because it was imported from Asia to Europe by sea. It is a prominent component of lapis lazuli and was used on Asian temples starting in the 6th century. It was one of the most expensive pigments in 16th century Europe, worth twice its weight in gold, and so was used sparingly and when commissions were larger. Ultramarine is currently imitated by a process invented in France in 1826 by Jean Baptiste Guimet, making blue affordable to artists and extending the range of colors on their palettes.
Description
Artificial Ultramarine, French Blue, French Ultramarine, Gmelin's Blue, Guimet's Blue, Permanent Blue, Royal Blue, Synthetic Ultramarine. New Blue describes particular shades of Ultramarine. Armenian Blue and Lazuline Blue are names for genuine Lapiz Ultramarine. Sky Blue is a pale tone of Ultramarine.

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