Prussian Blue

#053454

About Prussian Blue

Prussian Blue, represented by the hexadecimal color code #053454, is a dark shade of blue with a rich history. Chemically, it's a complex inorganic pigment, a ferric ferrocyanide with the formula Fe7(CN)18. It was accidentally discovered in the early 18th century and quickly gained popularity among artists due to its vibrant color and relative stability. In art, Prussian Blue has been used extensively in paintings, providing a deep, intense blue tone that was previously difficult to achieve with other pigments. The color is created through the reaction of ferrous salts with potassium ferrocyanide. Today, Prussian Blue is not only used in art but also in dyes, printing inks, and even some pharmaceuticals. This color represents stability and reliability, and due to it's intensity it can quickly grab attention. Also, the color can represent knowledge and seriousness.

The hex color #053454, a deep shade of Prussian Blue, presents some accessibility considerations for web developers. Due to its low luminance value, it's crucial to ensure sufficient contrast when used as a background or text color. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text against a background. Using #053454 for text on a white background would likely fail these contrast tests. To improve accessibility, consider pairing it with lighter shades of yellow, beige, or even a lighter tint of blue. Tools like WebAIM's contrast checker can help determine if the contrast ratio meets accessibility standards. Also, avoid using this color as the sole indicator for interactive elements, as users with color blindness may not be able to differentiate it effectively. Providing additional cues, such as underlines or icons, enhances usability for all users.

Shades

Digital Color Formats

RGB
5 52 84
RGB5 52 84
Red
Green
Blue
HSL
204.3deg 88.76% 17.45%
204.388.7617.45HSL
Hue
Saturation
Lightness
HWB
204.3deg 1.96% 67.06%
204.31.9667.06HWB
Hue
Whiteness
Blackness
hex#053454
rgb5 52 84
hsl204.3deg 88.76% 17.45%
cmyk94.05% 38.1% 0% 67.06%
hwb204.3deg 1.96% 67.06%
xyz-d650.03 0.03 0.09
oklch0.3138 0.0742 244.89
oklab0.3138 -0.03 -0.07
CMYK
94.05% 38.1% 0% 67.06%
94.0538.1067.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.09
0.030.030.09XYZ
X
Y
Z
OKLCH
0.3138 0.0742 244.89
0.31380.0742244.89LCH
Lightness
Chroma
Hue
OKLAB
0.3138 -0.03 -0.07
0.3138-0.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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