Prussian Blue

#063357

General Information about Prussian Blue

Prussian Blue, represented by the hex code #063357, is a deep and rich shade of blue that has a long history, dating back to the 18th century. It was one of the first synthetically produced pigments and quickly gained popularity among artists due to its stability and vibrant hue. Chemically, Prussian Blue is an iron hexacyanoferrate. The color is often associated with royalty, military uniforms, and classic artwork. Its deep tone can evoke feelings of stability, trust, and sophistication. It is a versatile color that can be used in a variety of applications from digital design to physical products. In color theory, Prussian Blue sits between blue and cyan on the color wheel, making it a cool color that can be used to create contrast and depth in designs.

The hex color #063357, also known as Prussian Blue, presents some accessibility challenges, especially regarding color contrast. When used as a foreground color for text, it requires a very light background to meet WCAG (Web Content Accessibility Guidelines) standards for sufficient contrast. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Therefore, designers and developers should carefully evaluate color combinations to ensure readability for users with visual impairments. Tools like contrast checkers can help determine if a particular color pairing provides adequate contrast. Consider using this color sparingly for text elements or pairing it with very light shades to enhance accessibility. Furthermore, avoid using #063357 as the sole indicator of important information, as colorblind users might not be able to distinguish it.

Shades

Digital Color Formats

RGB
6 51 87
RGB6 51 87
Red
Green
Blue
HSL
206.67deg 87.1% 18.24%
206.6787.118.24HSL
Hue
Saturation
Lightness
HWB
206.67deg 2.35% 65.88%
206.672.3565.88HWB
Hue
Whiteness
Blackness
hex#063357
rgb6 51 87
hsl206.67deg 87.1% 18.24%
cmyk93.1% 41.38% 0% 65.88%
hwb206.67deg 2.35% 65.88%
xyz-d650.03 0.03 0.09
oklch0.3135 0.0792 248.47
oklab0.3135 -0.03 -0.07
CMYK
93.1% 41.38% 0% 65.88%
93.141.38065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.09
0.030.030.09XYZ
X
Y
Z
OKLCH
0.3135 0.0792 248.47
0.31350.0792248.47LCH
Lightness
Chroma
Hue
OKLAB
0.3135 -0.03 -0.07
0.3135-0.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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