Prussian Blue

#003557

About Prussian Blue (#003557)

Prussian Blue, represented by the hex code #003557, is a deep, rich shade of blue with historical significance. It was one of the first synthetic pigments, discovered accidentally in the early 18th century. Chemically, it is an iron hexacyanoferrate. Prussian Blue is known for its strong tinting strength and its use in various applications, from paints and inks to dyeing fabrics. It has also been used in medicine, particularly as an antidote for certain types of heavy metal poisoning. The color's deep hue evokes feelings of serenity, stability, and authority, making it a popular choice in graphic design, web design, and interior design. Its unique chemical properties and historical context contribute to its enduring appeal.

The hex color #003557, a deep shade of Prussian Blue, presents some accessibility considerations for web developers. Due to its low lightness value, it is essential to use it with contrasting foreground colors to ensure readability. A light text color like white (#FFFFFF) or a very light shade of yellow would provide sufficient contrast, meeting WCAG (Web Content Accessibility Guidelines) standards for normal text (AA) and large text (AAA). Using this color for interactive elements like buttons or links requires careful attention to the color contrast ratio, especially for users with visual impairments. Always test color combinations with accessibility evaluation tools to guarantee compliance and provide an inclusive user experience. Avoid pairing #003557 with other dark colors, as this would create a low contrast environment, making it difficult for many users to perceive the content effectively. Consider providing alternative color schemes for users who prefer or require higher contrast.

Shades

Digital Color Formats

RGB
0 53 87
RGB0 53 87
Red
Green
Blue
HSL
203.45 100% 17.06%
203.4510017.06HSL
Hue
Saturation
Lightness
HWB
203.45 0% 65.88%
203.45065.88HWB
Hue
Whiteness
Blackness
hex#003557
rgb0 53 87
hsl203.45 100% 17.06%
cmyk100% 39.08% 0% 65.88%
hwb203.45 0% 65.88%
xyz2.99 3.23 9.48
CMYK
100% 39.08% 0% 65.88%
10039.08065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ
2.99 3.23 9.48
2.993.239.48XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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