Prussian Blue

#073156

About Prussian Blue

Prussian Blue, represented by the hex code #073156, is a deep shade of blue with historical significance. It was first synthesized in the early 18th century and quickly became a popular pigment due to its stability, intense color, and relatively low cost. Chemically, it's a complex iron cyanide compound. In art, Prussian Blue has been used by numerous renowned painters, including Van Gogh and Hokusai, valued for its rich tone and versatility. The color also has practical applications, such as in dyeing textiles and producing blueprints. From a perceptual standpoint, Prussian Blue evokes feelings of depth, stability, and sophistication. Its darkness makes it suitable for creating contrast when paired with lighter colors and it's often associated with the sea and sky, further solidifying the color’s place in both art and design.

The hex color #073156, a deep Prussian Blue, presents significant accessibility challenges, particularly concerning color contrast. When used as a background, it requires very light text colors to ensure readability. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text, as per WCAG guidelines. Using online contrast checkers is crucial to verify compliance. Avoid pairing this color with medium to dark shades, as this can lead to visual strain and make content inaccessible to users with visual impairments. Careful consideration should also be given to users with color blindness, ensuring that color is not the only means of conveying information. Employing supplementary indicators like text labels or icons alongside color cues will enhance usability for a broader audience. Furthermore, adequate spacing and font sizes are essential to improve readability against such a dark backdrop. Remember that compliance to accessibility guidelines not only ensures inclusivity but improves the overall user experience.

Shades

Digital Color Formats

RGB
7 49 86
RGB7 49 86
Red
Green
Blue
HSL
208.1deg 84.95% 18.24%
208.184.9518.24HSL
Hue
Saturation
Lightness
HWB
208.1deg 2.75% 66.27%
208.12.7566.27HWB
Hue
Whiteness
Blackness
hex#073156
rgb7 49 86
hsl208.1deg 84.95% 18.24%
cmyk91.86% 43.02% 0% 66.27%
hwb208.1deg 2.75% 66.27%
xyz-d650.03 0.03 0.09
oklch0.3077 0.0798 250.27
oklab0.3077 -0.03 -0.08
CMYK
91.86% 43.02% 0% 66.27%
91.8643.02066.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.09
0.030.030.09XYZ
X
Y
Z
OKLCH
0.3077 0.0798 250.27
0.30770.0798250.27LCH
Lightness
Chroma
Hue
OKLAB
0.3077 -0.03 -0.08
0.3077-0.03-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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