Prussian Blue

#003155

General Information about Prussian Blue

Prussian Blue, represented by the hex code #003155, is a dark shade of blue known for its rich and deep hue. It is created by combining a low amount of green with a significantly higher amount of blue, with no red component. This color is often associated with qualities like depth, stability, and authority, making it a popular choice in various applications. Prussian Blue has historical significance, particularly in the realm of art, where it was one of the first synthetically produced blue pigments. Its use extends to digital design, where it can convey a sense of professionalism and trustworthiness. Its versatility allows it to be employed as a background color, text color, or accent element, depending on the desired effect and contrast considerations.

The hex color #003155, a deep shade of Prussian Blue, presents several accessibility considerations for web developers. Its low lightness value necessitates careful selection of foreground colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text against the background color. White or very light shades of yellow and orange would generally work well. Using a contrast checker tool is essential to confirm compliance with accessibility standards. Furthermore, avoid using this color as the sole indicator of interactive elements; provide additional cues like underlines or icons to assist users with visual impairments. When using #003155 for charts or graphs, ensure that adjacent colors are easily distinguishable, and consider adding labels or patterns for clarity. It's important to remember that color perception varies among individuals, including those with color vision deficiencies, so testing with different color palettes and user feedback is crucial.

Shades

Digital Color Formats

RGB
0 49 85
RGB0 49 85
Red
Green
Blue
HSL
205.41deg 100% 16.67%
205.4110016.67HSL
Hue
Saturation
Lightness
HWB
205.41deg 0% 66.67%
205.41066.67HWB
Hue
Whiteness
Blackness
hex#003155
rgb0 49 85
hsl205.41deg 100% 16.67%
cmyk100% 42.35% 0% 66.67%
hwb205.41deg 0% 66.67%
xyz-d650.03 0.03 0.09
oklch0.305 0.0807 247.3
oklab0.305 -0.03 -0.07
CMYK
100% 42.35% 0% 66.67%
10042.35066.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.09
0.030.030.09XYZ
X
Y
Z
OKLCH
0.305 0.0807 247.3
0.3050.0807247.3LCH
Lightness
Chroma
Hue
OKLAB
0.305 -0.03 -0.07
0.305-0.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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