Congress Blue

#004898

General Information about Congress Blue

The color #004898, commonly known as Congress Blue, is a dark shade of blue that evokes feelings of trust, authority, and professionalism. In the RGB color model, it consists of 0% red, 28.2% green, and 59.6% blue. This combination results in a deep, saturated hue that is often associated with governmental institutions and established organizations. Congress Blue is frequently used in branding and design to convey a sense of stability and reliability. In color psychology, blue is known to promote calmness and focus, making it suitable for environments where concentration and clear thinking are valued. It is important to consider its luminance when using this color in web design to ensure readability and accessibility. Its hex code makes it easy to integrate into digital platforms and design software.

The hex color #004898, also known as Congress Blue, presents several accessibility considerations for web development. Its dark hue results in a low luminance value, which is crucial for ensuring sufficient contrast against lighter background colors. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to ensure readability for users with visual impairments. When using #004898 for text, it is imperative to pair it with a light color such as white or a very light shade of gray to meet these contrast requirements. Failure to do so can render text illegible for many users, especially those with low vision or color blindness. Furthermore, avoid using this color for essential UI elements without proper contrast, as it can hinder usability and navigation for a significant portion of your audience. Always test color combinations using accessibility tools to confirm compliance with accessibility standards.

Shades

Digital Color Formats

RGB
0 72 152
RGB0 72 152
Red
Green
Blue
HSL
211.58deg 100% 29.8%
211.5810029.8HSL
Hue
Saturation
Lightness
HWB
211.58deg 0% 40.39%
211.58040.39HWB
Hue
Whiteness
Blackness
hex#004898
rgb0 72 152
hsl211.58deg 100% 29.8%
cmyk100% 52.63% 0% 40.39%
hwb211.58deg 0% 40.39%
xyz-d650.08 0.07 0.31
oklch0.4144 0.1454 256.72
oklab0.4144 -0.03 -0.14
CMYK
100% 52.63% 0% 40.39%
10052.63040.39CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.07 0.31
0.080.070.31XYZ
X
Y
Z
OKLCH
0.4144 0.1454 256.72
0.41440.1454256.72LCH
Lightness
Chroma
Hue
OKLAB
0.4144 -0.03 -0.14
0.4144-0.03-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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