Search results
Cobalt blue is a blue pigment made by sintering cobalt (II) oxide with aluminium (III) oxide (alumina) at 1200 °C. Chemically, cobalt blue pigment is cobalt (II) oxide-aluminium oxide, or cobalt (II) aluminate, CoAl 2 O 4. Cobalt blue is lighter and less intense than the (iron-cyanide based) pigment Prussian blue.
Learn how to create cobalt blue in different graphic systems using the specific color codes. Find out the HEX, RGB and CMYK values of cobalt blue and its shades and complementary colors.
Jun 19, 2023 · Learn everything about cobalt blue, a stunning shade with depth and clarity, from its origins to its applications. Discover its hex code, RGB, CMYK, HSL values, and how to pair it with other colors.
Nov 4, 2022 · Learn about the origin, meaning and properties of cobalt blue, a vibrant and dark shade of blue. Find out how to make cobalt blue and what colors go well with it in art and design.
Jun 28, 2021 · Learn how Cobalt blue, a vibrant and stable pigment, was created in the 19th century as a cheaper alternative to Ultramarine. Discover the origin of the name Cobalt, the toxicity of the color, and its popularity among artists like Monet and Van Gogh.
May 16, 2020 · 12 Types of Cobalt Blue. John Spacey, May 16, 2020. Cobalt blue is a pigment that is made by sintering cobalt oxide with alumina. Cobalt has been used to color decorative items since the Bronze Age despite the fact that cobalt wasn't discovered as an element until 1735.
Sep 23, 2020 · Learn about cobalt blue, a vibrant pigment derived from a transition metal that has been used in art, pottery and medicine for centuries. Discover how cobalt blue is made, how it differs from other blues, and how it is used in modern technologies such as oxygen absorbers and bacterial isolators.
