Phthalo Blue 

PB15:3 – Transparent

Phthalo blue is an intense, deep, and highly transparent pigment, appreciated for its exceptional tinting strength.

A cool blue with slightly green undertones, it offers excellent lightfastness and blends beautifully with other colors. Ideal for glazing, bright skies, or vibrant shadows, it also produces stunning turquoises (when mixed with phthalo green) or violets (with Isaro pink) depending on the combination. A modern, vivid, and essential color on the oil painter’s palette.

Cobalt blue

PB28 - Semi opaque

It is the bluest of blues.
Genuine cobalt blue is a classic mineral pigment, known for its vibrant tone, valued for its softness, luminosity, and excellent lightfastness. With its pure blue hue and moderate opacity, it lends itself equally well to subtle mixes and delicate glazing. Ideal for skies, light shadows, and cool skin tones, it creates beautiful soft violets when combined with Isaro Pink or deep pyrrole red. A must-have on the palette for balanced and refined harmonies. bluest of the blues. This blue becomes even brighter when mixed with whites. Very useful for mixing.

Prussian Blue

PB27 – Transparent

Deep, intense, and slightly greenish, Prussian Blue is a historic pigment prized for its exceptional tinting strength and high transparency. It allows the creation of bluish blacks and a sumptuous range of greens. Its transparency makes it an excellent choice for glazing.
This blue is highly siccative and accelerates the drying time of the colors it is mixed with.

This blue is very drier-reactive, accelerating the drying power of the colours with which it is mixed. Tint power is extremely strong.

Deep Blue

PW4 + PB28 + PB15 – Semi-opaque

Deep Blue is a harmonious blend of pigments, designed to capture the beauty of cobalt blue while offering a more accessible alternative.

Combining the softness of PB28 with the depth of PB15 and the brightness of zinc white (PW4), it results in a luminous, well-balanced blue. Ideal for skies and floral compositions, it blends easily to create subtle and refined shades.

Indigo Blue

PBr7 + PB29 + PB15:3 – Semi-opaque

Indigo blue is a deep hue with subtle greenish undertones, created from a blend of burnt umber, ultramarine blue, and phthalo blue. Dark and intense, it evokes stormy seas and dramatic skies. Ideal for seascapes, nocturnal landscapes, or colored shadows, it lends itself to rich and expressive mixtures. Its beautiful depth and semi-transparency make it a versatile, powerful, and evocative blue.

Ultramarine Blue

PB29 – Semi-opaque

Ultramarine blue is a deep and intense pigment with a slight violet undertone. It is ideal both for glazing and for creating subtle blends.
Its rich chromatic depth makes it an expressive and vibrant blue. When combined with Isaro Pink (PR122), it produces a beautiful range of luminous mauves, perfect for floral compositions.
A must-have on any palette, ultramarine blue combines depth, lightness, and intensity.

Azure Blue – The Freshness of the Skies

PB36 – Semi-transparent – Granulating

Azure blue is a luminous and soothing shade that evokes the vast summer skies and crystal-clear waters. This pigment, part of the cobalt blue family, is cherished for its subtly green undertone and gentle quality, making it an ideal choice for depicting aerial or marine landscapes.

Indanthrene blue

PB60 – Transparent

Indanthrene blue is a deep blue with slightly violet undertones.

Highly valued for its dark richness and transparency, it is ideal for glazing, deep shadows, and nocturnal atmospheres. With excellent lightfastness, it blends beautifully with reds to create intense violets, or with greens for subtle cool tones. It is a powerful and essential blue for enriching a contemporary palette. touch of red.

Very bPhthalo Blue - A Luminous Blue

PB15:3 - Transparent - Non-Granulating

Phthalo Blue is particularly prized for seascapes and clear skies, where its transparency and depth truly shine. It can also be used in layering to enrich darkeautiful blue with a shade having an underlying green tone.

With phthalo green it forms very beautiful turquoise. With the yellows of the beautiful greens. With the ocher of the more muted greens and with the pink or the purple Isaro a beautiful range of mauves.

Ultramarine Blue - Between History and Modernity

PB29 - Semi-transparent - Granulating

Ultramarine Blue is a deep, rich hue, valued for its intense vibrancy and its ability to capture light, making it ideal for skies, oceans, and delicate shadows.Very useful for composing magnificent mauves, especially with quinacridones like Isaro pink for example. With black or burnt sienna, it makes it possible to obtain very beautiful Payne grays and with burnt umber to create a beautiful indigo.

Cobalt Blue - An Iconic Blue

PB28 - Semi-transparent - Granulating

Ideal for landscapes, Cobalt Blue excels in skies, calm waters, and distant mountains. Its granulating nature is perfect for textured effects and organic details.e. Bright and close to primary blue. We can define it as the most blue of blues because it does not draw on green (like Prussian blue) or red (like overseas).

Indigo Blue - A Historic Blue

PB29 + PBr7 + PB15 - Opaque - Moderately Granulating

With its granulating texture and natural depth, Indigo Blue is perfect for representing dramatic atmospheres, starry skies, or reflections on water. Its ability to layer in fine washes or be used opaquely makes it a favored choice for artists seeking variety in their compositions.

Prussian Blue - The First Modern Synthetic Pigment

PB27 - Transparent - Non-Granulating

Prussian Blue is an essential hue for watercolor artists. Rich in history, intensity, and versatility, it offers endless creative possibilities, whether for landscapes, portraits, or abstract works.

Indanthrene Blue - Intense Depth

PB60 - Transparent - Non-Granulating

This blue is perfect for artworks requiring dark and powerful tones, such as seascapes, stormy skies, or expressive portraits. It also excels in layering to create depth and subtle effects.

Very beautiful light blue, whiCerulean Blue - The Blue of Skies

PB35 - Semi-transparent - Granulating

Cerulean blue is a fresh and slightly opaque hue, cherished for its soft and natural tones that evoke clear skies and serene seascapes.ch pulls slightly towards green. Particularly suitable for working the sky.

Satine Blue - An Original Blend

PB29 + PBr7 + PV16 - Semi-transparent - Granulating

Satine Blue is a refined color that captivates with its softness and subtle glow. Made from carefully selected pigments, this blue harmonizes beautifully with both warm and cool tones. For subtle shades, mix it with Isaro Rose or Magenta to create delicate purples or lavender hues. You can also try combining it with Payne's Grey for nocturnal skies or aquatic shadows.