Prussian Blue

#073257

About Prussian Blue

Prussian Blue, represented by the hexadecimal color code #073257, is a dark shade of blue with historical significance in the world of pigments and dyes. It was accidentally discovered in the early 18th century and quickly gained popularity for its intensity and stability. Chemically, it's a complex iron cyanide compound. In art, Prussian Blue has been used extensively by painters such as Van Gogh and Hokusai, celebrated for its rich, deep tone and versatility in creating various shades and hues. Its name is derived from Prussia, where it was initially manufactured. The color evokes feelings of depth, stability, and intelligence, making it a popular choice across various design disciplines.

The hex color #073257, a deep shade of Prussian Blue, presents specific accessibility considerations for web developers. Its low luminance necessitates careful pairing with contrasting colors to ensure readability for users with visual impairments. According to WCAG guidelines, sufficient contrast ratios are crucial for text and interactive elements. When using #073257 as a background, it's essential to select a foreground color that offers a minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. White or bright shades of yellow or green are potential options, but these should be tested using accessibility evaluation tools. Furthermore, avoid using this color alone to convey important information; always supplement it with text or icons. When used for links or buttons, ensure that these elements have sufficient visual cues to distinguish them from surrounding text or background elements. Thoughtful application of color contrast principles is essential to guarantee an inclusive user experience.

Shades

Digital Color Formats

RGB
7 50 87
RGB7 50 87
Red
Green
Blue
HSL
207.75deg 85.11% 18.43%
207.7585.1118.43HSL
Hue
Saturation
Lightness
HWB
207.75deg 2.75% 65.88%
207.752.7565.88HWB
Hue
Whiteness
Blackness
hex#073257
rgb7 50 87
hsl207.75deg 85.11% 18.43%
cmyk91.95% 42.53% 0% 65.88%
hwb207.75deg 2.75% 65.88%
xyz-d650.03 0.03 0.09
oklch0.3111 0.0801 249.84
oklab0.3111 -0.03 -0.08
CMYK
91.95% 42.53% 0% 65.88%
91.9542.53065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.09
0.030.030.09XYZ
X
Y
Z
OKLCH
0.3111 0.0801 249.84
0.31110.0801249.84LCH
Lightness
Chroma
Hue
OKLAB
0.3111 -0.03 -0.08
0.3111-0.03-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons