Prussian Blue

#00344D

General Information about Prussian Blue

Prussian blue, represented by the hexadecimal color code #00344D, is a deep, rich shade of blue with historical significance. It was one of the first synthetically produced pigments, discovered in the early 18th century. Chemically, it's a complex iron cyanide compound. Known for its intense color and stability, Prussian blue has been widely used in various applications, including paints, dyes, and even as a medication to treat certain types of radiation poisoning. In art, it has been a staple for creating deep, atmospheric effects. Its name reflects its association with Prussia, where it was initially manufactured and widely adopted.

The color #00344D, a deep Prussian blue, presents certain accessibility considerations for web design. Its dark nature means it requires careful pairing with contrasting text colors to ensure readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text against its background. Therefore, using white or very light shades of yellow or green for text on a #00344D background is advisable to meet accessibility standards. Also, avoid using this color for interactive elements without clear visual cues, as users with low vision might struggle to identify them. When using this color in charts or graphs, make sure the data labels and axes are clearly visible and distinguishable.

Shades

Digital Color Formats

RGB
0 52 77
RGB0 52 77
Red
Green
Blue
HSL
199.48 100% 15.1%
199.4810015.1HSL
Hue
Saturation
Lightness
HWB
199.48 0% 69.8%
199.48069.8HWB
Hue
Whiteness
Blackness
hex#00344D
rgb0 52 77
hsl199.48 100% 15.1%
cmyk100% 32.47% 0% 69.8%
hwb199.48 0% 69.8%
xyz-d650.03 0.03 0.07
oklch0.3079 0.067 236.83
oklab0.3079 -0.04 -0.06
CMYK
100% 32.47% 0% 69.8%
10032.47069.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.07
0.030.030.07XYZ
X
Y
Z
OKLCH
0.3079 0.067 236.83
0.30790.067236.83LCH
Lightness
Chroma
Hue
OKLAB
0.3079 -0.04 -0.06
0.3079-0.04-0.06LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

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