Prussian Blue

#012E5C

About Prussian Blue

Prussian Blue, represented by the hex code #012E5C, is a deep, rich shade of blue known for its historical significance and widespread use across various fields. It's a color often associated with intellect, stability, and authority, making it a popular choice for branding in industries such as finance, education, and technology. Chemically, Prussian Blue is a complex iron cyanide compound, which was originally synthesized accidentally in the early 18th century. The color's unique hue and excellent lightfastness quickly made it a valuable pigment for artists and dyers. Its chemical stability also made it useful in the creation of blueprints, hence the term 'blueprint blue'. Today, Prussian Blue continues to be used in a wide array of applications, from fine art and industrial coatings to digital design and fashion, retaining its appeal as a color of sophistication and reliability.

The hex color #012E5C, also known as Prussian Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it necessitates very light text (white or near-white) to ensure sufficient contrast for readability, meeting WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Failure to achieve adequate contrast can hinder users with visual impairments, including those with low vision or color blindness. Careful consideration should be given to the color pairings to ensure usability for all users. Tools are available online to calculate contrast ratios between different colors, aiding developers in making informed decisions and improving accessibility. Using a slightly lighter shade of blue or a darker text color might be necessary to achieve optimal contrast. Additionally, providing alternative visual cues, such as icons or underlines, can further enhance accessibility for users who may struggle with color perception alone.

Shades

Digital Color Formats

RGB
1 46 92
RGB1 46 92
Red
Green
Blue
HSL
210.33deg 97.85% 18.24%
210.3397.8518.24HSL
Hue
Saturation
Lightness
HWB
210.33deg 0.39% 63.92%
210.330.3963.92HWB
Hue
Whiteness
Blackness
hex#012E5C
rgb1 46 92
hsl210.33deg 97.85% 18.24%
cmyk98.91% 50% 0% 63.92%
hwb210.33deg 0.39% 63.92%
xyz-d650.03 0.03 0.1
oklch0.3027 0.0943 253.8
oklab0.3027 -0.03 -0.09
CMYK
98.91% 50% 0% 63.92%
98.9150063.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.1
0.030.030.1XYZ
X
Y
Z
OKLCH
0.3027 0.0943 253.8
0.30270.0943253.8LCH
Lightness
Chroma
Hue
OKLAB
0.3027 -0.03 -0.09
0.3027-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons