Prussian Blue

#003357

General Information about Prussian Blue

Prussian Blue, represented by the hex code #003357, is a deep shade of blue with historical significance. It was one of the first synthetically produced pigments, discovered in the early 18th century. Chemically, it's an iron hexacyanoferrate complex, giving it its distinctive hue. This color is known for its rich, intense tone and has been widely used in various applications, from paintings and inks to dyes. In color psychology, Prussian Blue often symbolizes trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. It's considered a calming and stable color, making it a popular choice for corporate branding and designs that aim to project reliability and professionalism. Its depth and sophistication make it a versatile color that can be both bold and understated depending on its context.

The hex color #003357, also known as Prussian Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it necessitates light text colors to ensure readability. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text to meet WCAG (Web Content Accessibility Guidelines) requirements. Using tools to assess contrast ratios is crucial during the design process. Given its darkness, this color may not be suitable for conveying critical information without careful consideration of its pairing with contrasting colors. Insufficient contrast can significantly hinder users with visual impairments and affect overall usability. Therefore, prioritize high-contrast text or elements to guarantee all users can perceive content effectively. Testing the color scheme with accessibility evaluation tools and user testing are essential steps to ensure inclusivity.

Shades

Digital Color Formats

RGB
0 51 87
RGB0 51 87
Red
Green
Blue
HSL
204.83 100% 17.06%
204.8310017.06HSL
Hue
Saturation
Lightness
HWB
204.83 0% 65.88%
204.83065.88HWB
Hue
Whiteness
Blackness
hex#003357
rgb0 51 87
hsl204.83 100% 17.06%
cmyk100% 41.38% 0% 65.88%
hwb204.83 0% 65.88%
xyz2.9 3.06 9.45
CMYK
100% 41.38% 0% 65.88%
10041.38065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ
2.9 3.06 9.45
2.93.069.45XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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