Congress Blue

#004289

General Information about Congress Blue

The hex color #004289, also known as Congress Blue, is a deep, muted shade of blue that evokes feelings of trust, stability, and authority. It is often associated with governmental institutions, educational organizations, and corporate environments due to its serious and professional demeanor. In the RGB (Red, Green, Blue) color model, #004289 is composed of 0% red, 25.9% green, and 53.7% blue. This composition explains its deep blue appearance, with relatively low amounts of red and green compared to blue. The hexadecimal color system is a base-16 numeral system, which is widely used in HTML, CSS, and other web technologies to define colors precisely. Understanding color models like RGB and hexadecimal notation is essential for designers and developers to ensure color accuracy and consistency across various media.

The hex color #004289, also known as Congress Blue, presents certain accessibility considerations for web developers. Its dark hue implies a need for light-colored text to ensure sufficient contrast, meeting WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended to accommodate users with visual impairments. When using this color for interactive elements like buttons or links, it's crucial to provide clear visual cues such as hover effects or focus indicators that meet contrast requirements. Careful consideration of color combinations and adherence to accessibility guidelines will improve the user experience for everyone, especially those with disabilities. Using tools like contrast checkers will allow you to analyze if you're meeting accessibility standards.

Shades

Digital Color Formats

RGB
0 66 137
RGB0 66 137
Red
Green
Blue
HSL
211.09deg 100% 26.86%
211.0910026.86HSL
Hue
Saturation
Lightness
HWB
211.09deg 0% 46.27%
211.09046.27HWB
Hue
Whiteness
Blackness
hex#004289
rgb0 66 137
hsl211.09deg 100% 26.86%
cmyk100% 51.82% 0% 46.27%
hwb211.09deg 0% 46.27%
xyz-d650.06 0.06 0.24
oklch0.3883 0.1325 255.99
oklab0.3883 -0.03 -0.13
CMYK
100% 51.82% 0% 46.27%
10051.82046.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.24
0.060.060.24XYZ
X
Y
Z
OKLCH
0.3883 0.1325 255.99
0.38830.1325255.99LCH
Lightness
Chroma
Hue
OKLAB
0.3883 -0.03 -0.13
0.3883-0.03-0.13LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons