Prussian Blue

#033554

General Information about Prussian Blue

Prussian Blue, represented by the hexadecimal color code #033554, is a deep, rich shade of blue with a slightly grayish undertone. It belongs to the family of blue pigments and is known for its historical significance and widespread use in art, textiles, and various industrial applications. Chemically, Prussian Blue is an iron hexacyanoferrate complex, synthesized through a chemical process involving iron salts and cyanide compounds. Its discovery dates back to the early 18th century, and it quickly gained popularity as a vibrant and stable blue pigment, offering an alternative to the more expensive ultramarine blue. Prussian Blue exhibits excellent lightfastness and tinting strength, making it a valuable colorant in paints, inks, and dyes.

The color #033554, a deep shade of Prussian Blue, presents some accessibility challenges, especially when used as a background or text color. Due to its low luminance value, it requires careful consideration of color contrast to ensure readability and usability for individuals with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When using #033554, it is crucial to pair it with a light color to meet these contrast requirements. White or very light shades of yellow or green could serve as appropriate choices. Avoid using it with other dark colors, as this will render content illegible for many users. Testing with accessibility tools is highly recommended to validate color contrast ratios and ensure compliance with accessibility standards, ultimately providing a better user experience for everyone.

Shades

Digital Color Formats

RGB
3 53 84
RGB3 53 84
Red
Green
Blue
HSL
202.96deg 93.1% 17.06%
202.9693.117.06HSL
Hue
Saturation
Lightness
HWB
202.96deg 1.18% 67.06%
202.961.1867.06HWB
Hue
Whiteness
Blackness
hex#033554
rgb3 53 84
hsl202.96deg 93.1% 17.06%
cmyk96.43% 36.9% 0% 67.06%
hwb202.96deg 1.18% 67.06%
xyz-d650.03 0.03 0.09
oklch0.3161 0.0739 243.03
oklab0.3161 -0.03 -0.07
CMYK
96.43% 36.9% 0% 67.06%
96.4336.9067.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.09
0.030.030.09XYZ
X
Y
Z
OKLCH
0.3161 0.0739 243.03
0.31610.0739243.03LCH
Lightness
Chroma
Hue
OKLAB
0.3161 -0.03 -0.07
0.3161-0.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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