Prussian Blue

#042F5A

General Information about Prussian Blue

Prussian Blue, represented by the hex code #042F5A, is a deep and rich shade of blue. It's characterized by its dark, almost black undertones, giving it a sophisticated and serious feel. Historically, Prussian Blue was one of the first synthetically produced pigments, discovered in the early 18th century. Its chemical composition involves iron complexes, which contribute to its unique hue and stability. This color has been widely used in various applications, from paints and dyes to printing inks. In color psychology, Prussian Blue is often associated with trust, authority, and intelligence. It is often used by banking corporations and finance organizations. It can evoke feelings of tranquility and professionalism, making it a popular choice in corporate branding and design.

The hex color #042F5A, a deep shade of Prussian Blue, presents some accessibility considerations. Its low lightness value means it has poor contrast against white backgrounds, failing WCAG standards for normal text. To ensure readability, it's crucial to pair it with very light colors like white or pale yellow for text or important interface elements. Using a color contrast checker is highly recommended. When using this color for decorative purposes or larger graphical elements where text contrast is less critical, it can still be effective. However, for interactive elements like buttons or links, sufficient contrast is vital for usability, especially for users with visual impairments. Consider increasing the font size or using bold text to improve legibility when using this color for text. Always test your color combinations with accessibility tools to ensure compliance.

Shades

Digital Color Formats

RGB
4 47 90
RGB4 47 90
Red
Green
Blue
HSL
210deg 91.49% 18.43%
21091.4918.43HSL
Hue
Saturation
Lightness
HWB
210deg 1.57% 64.71%
2101.5764.71HWB
Hue
Whiteness
Blackness
hex#042F5A
rgb4 47 90
hsl210deg 91.49% 18.43%
cmyk95.56% 47.78% 0% 64.71%
hwb210deg 1.57% 64.71%
xyz-d650.03 0.03 0.1
oklch0.3046 0.0892 253.17
oklab0.3046 -0.03 -0.09
CMYK
95.56% 47.78% 0% 64.71%
95.5647.78064.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.1
0.030.030.1XYZ
X
Y
Z
OKLCH
0.3046 0.0892 253.17
0.30460.0892253.17LCH
Lightness
Chroma
Hue
OKLAB
0.3046 -0.03 -0.09
0.3046-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons