Prussian Blue

#063557

General Information about Prussian Blue

Prussian Blue, represented by the hexadecimal color code #063557, is a dark shade of blue with historical significance. It was one of the first modern synthetic pigments, discovered accidentally in the early 18th century. Chemically, it's an iron hexacyanoferrate complex. The color is known for its intense, deep hue and has been widely used in paints, inks, and dyes. Prussian Blue is relatively stable and non-toxic, contributing to its widespread adoption across various applications. In color theory, it falls under the blue color family, associated with calmness, stability, and authority. Its dark tone makes it suitable for creating contrast and depth in visual designs. Understanding its properties and applications provides a foundation for its effective use in both artistic and practical contexts.

The hex color #063557, a deep Prussian Blue, presents significant accessibility challenges, especially concerning color contrast. When used as a background, it requires very light text (ideally white or near-white) to ensure readability. A contrast ratio of at least 4.5:1 is recommended for body text and 3:1 for large text elements according to WCAG guidelines. Insufficient contrast can make content difficult or impossible to perceive for users with visual impairments. Tools like WebAIM's contrast checker can verify compliance. Furthermore, avoid using this color as the sole indicator of interactive elements; supplement with labels, icons, or other visual cues. Considering users with cognitive disabilities, the intensity of this dark blue might be overwhelming when used extensively. Limiting its use to specific design elements and providing user controls to adjust color themes can enhance accessibility.

Shades

Digital Color Formats

RGB
6 53 87
RGB6 53 87
Red
Green
Blue
HSL
205.19deg 87.1% 18.24%
205.1987.118.24HSL
Hue
Saturation
Lightness
HWB
205.19deg 2.35% 65.88%
205.192.3565.88HWB
Hue
Whiteness
Blackness
hex#063557
rgb6 53 87
hsl205.19deg 87.1% 18.24%
cmyk93.1% 39.08% 0% 65.88%
hwb205.19deg 2.35% 65.88%
xyz-d650.03 0.03 0.09
oklch0.3189 0.077 246.27
oklab0.3189 -0.03 -0.07
CMYK
93.1% 39.08% 0% 65.88%
93.139.08065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.09
0.030.030.09XYZ
X
Y
Z
OKLCH
0.3189 0.077 246.27
0.31890.077246.27LCH
Lightness
Chroma
Hue
OKLAB
0.3189 -0.03 -0.07
0.3189-0.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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