Prussian Blue

#003857

About Prussian Blue (#003857)

Prussian Blue, represented by the hex code #003857, is a deep, saturated shade of blue with historical significance and various applications across art, science, and design. It was first synthesized in the early 18th century and quickly became a popular pigment due to its vibrant color and relative stability. Chemically, it is a complex iron cyanide compound. In art, Prussian Blue has been used extensively in paintings, prints, and inks, prized for its rich hue and ability to create depth and shadow. It has also found use in medicine as an antidote for certain types of heavy metal poisoning. In modern applications, Prussian Blue is used in dyeing, printing, and as a pigment in various coatings and plastics. The color is often associated with formality, authority, and sophistication, making it a popular choice in corporate branding and design. Its dark and calming nature also makes it suitable for use in interior design to create serene and elegant spaces. This hue is a valuable and historically significant pigment with diverse use cases.

The hex color #003857, a deep shade of Prussian Blue, presents significant accessibility challenges, especially in web design. Its low luminance value means that text rendered in this color requires a very light background to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. Insufficient contrast can severely impact readability for users with visual impairments, including those with low vision or color blindness. To ensure inclusivity, a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text (14pt bold or 18pt regular) is recommended. Using tools to check color contrast is crucial. Furthermore, avoid using this color as the sole means of conveying information, as colorblind users may not be able to distinguish it from other dark hues. Providing alternative cues, such as text labels or icons, is essential for universal accessibility. When using this color, conduct thorough testing with assistive technologies to guarantee a positive user experience for everyone.

Shades

Digital Color Formats

RGB
0 56 87
RGB0 56 87
Red
Green
Blue
HSL
201.38 100% 17.06%
201.3810017.06HSL
Hue
Saturation
Lightness
HWB
201.38 0% 65.88%
201.38065.88HWB
Hue
Whiteness
Blackness
hex#003857
rgb0 56 87
hsl201.38 100% 17.06%
cmyk100% 35.63% 0% 65.88%
hwb201.38 0% 65.88%
xyz3.13 3.52 9.53
CMYK
100% 35.63% 0% 65.88%
10035.63065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ
3.13 3.52 9.53
3.133.529.53XYZ
X
Y
Z

Alternative colors

Applications

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