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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.
The RGB Values and Percentages for Cobalt Blue. Each system has a different value, or percentage of colors, that make up every color in the graphic design spectrum, and the same can be said for cobalt blue. In the RGB (red, green, blue) system, the cobalt blue color percentage is comprised of cobalt blue in the RGB system is (0,80,181).
Jun 19, 2023 · Cobalt Blue Color Information (Hex Code #0047AB) Diving deeper into the technical details of cobalt blue, we find its hex code to be #0047AB. The RGB code is (0, 71, 171) which translates into an absence of red, 27.8% green, and 67.1% blue in terms of percentage. The CMYK code is (100, 58, 0, 33) and its HSL code is (215.1°, 100, 33.5).
Jun 28, 2021 · Cobalt Blue Hues, which is an imitation/fake Cobalt blue, are usually made of Phthalo Blue and Zinc white. The resulting pigment, while similar to Cobalt blue, lacks the stability and lightfast properties of the real thing, with the fake pigment reacting pretty negatively to other hues when mixed.
Nov 4, 2022 · The cobalt blue color can be described as being a vibrant and darker shade of blue. The highly saturated bright cobalt blue is a little lighter than navy blue, but it is darker than sky blue. The cobalt blue pigment is made by applying heat and pressure, also known as sintering, to cobalt oxide and aluminum oxide.
Feb 28, 2020 · Cobalt blue has a history of use in Chinese porcelain and other ceramics and in stained glass. In the world of art, cobalt blue was used by Renoir, Monet, and Van Gogh. More recently, Maxfield Parrish, an American painter in the early 20th century had a cobalt blue color named after him — Parrish Blue. He was known for his saturated hues.
