Prussian Blue

#073357

General Information about Prussian Blue

Prussian Blue, represented by the hexadecimal color code #073357, is a deep, rich shade of blue known for its historical significance and use in various artistic and industrial applications. It was first synthesized in the early 18th century and quickly became a popular pigment due to its stability, affordability, and intense color. Prussian Blue is a complex inorganic compound containing iron and cyanide, which gives it its distinctive hue. In color theory, it is considered a cool color, evoking feelings of calmness, stability, and authority. It has been used extensively in paintings, inks, and dyes, and its unique properties have made it valuable in fields such as medicine and engineering. Today, Prussian Blue continues to be a significant color in art, design, and technology.

The hex color #073357, also known as Prussian Blue, presents some accessibility challenges, particularly when used as a text color. Its dark hue results in low contrast against similarly dark backgrounds, making it difficult for users with visual impairments to read. According to WCAG guidelines, sufficient contrast is crucial for readability. To ensure accessibility, #073357 should be paired with light backgrounds like white (#FFFFFF) or very light grays. When used for interactive elements like buttons or links, hover and focus states should also be designed with high contrast to provide clear visual cues. Text sizes should be large enough to enhance readability, and semantic HTML should be employed to structure content logically, further improving accessibility for screen reader users. Avoiding the use of #073357 for critical information or interactive elements against dark backgrounds is essential for inclusive design.

Shades

Digital Color Formats

RGB
7 51 87
RGB7 51 87
Red
Green
Blue
HSL
207deg 85.11% 18.43%
20785.1118.43HSL
Hue
Saturation
Lightness
HWB
207deg 2.75% 65.88%
2072.7565.88HWB
Hue
Whiteness
Blackness
hex#073357
rgb7 51 87
hsl207deg 85.11% 18.43%
cmyk91.95% 41.38% 0% 65.88%
hwb207deg 2.75% 65.88%
xyz-d650.03 0.03 0.09
oklch0.3138 0.0789 248.79
oklab0.3138 -0.03 -0.07
CMYK
91.95% 41.38% 0% 65.88%
91.9541.38065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.09
0.030.030.09XYZ
X
Y
Z
OKLCH
0.3138 0.0789 248.79
0.31380.0789248.79LCH
Lightness
Chroma
Hue
OKLAB
0.3138 -0.03 -0.07
0.3138-0.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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