The hexadecimal color code #213dff is a shade of blue. In the RGB color model #213dff is comprised of 12.94% red, 23.92% green and 100% blue. In the HSL color space #213dff has a hue of 232° (degrees), 100% saturation and 56% lightness. This color has an approximate wavelength of 465.86 nm.
It is a widely accepted notion among painters that it does not matter what one paints as long as it is well painted. This is the essence of academicism. There is no such thing as good painting about nothing.
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If I were called upon to define briefly the word Art, I should call it the reproduction of what the senses preceive in nature, seen through the veil of the soul.
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It's not what you look at that matters, it's what you see.