Congress Blue

#0D478E

General Information about Congress Blue (#0D478E)

The hex color #0D478E, also known as Congress Blue, is a deep, rich shade of blue evoking feelings of trust, stability, and professionalism. It is frequently associated with corporate environments, government institutions, and academic settings due to its serious and dependable nature. In the RGB color model, #0D478E consists of 5.1% red, 27.8% green, and 55.7% blue. This composition gives it a cool undertone, making it suitable for designs requiring a sense of authority or calm. The color is versatile and can be used effectively in various design applications, including branding, web design, and print media. Understanding its psychological impact is important for leveraging its full potential in visual communication.

The hex color #0D478E, also known as Congress Blue, presents some accessibility challenges, particularly regarding contrast. When used as a background color, it requires very light text (white or near-white) to ensure sufficient contrast for readability, meeting WCAG (Web Content Accessibility Guidelines) standards for text legibility. A contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended. Using a color contrast checker is highly advisable to verify compliance. Avoid pairing this dark blue with other dark colors as it will drastically reduce readability and user experience. Consider using it as a secondary color with a lighter background for better accessibility.

Shades

Digital Color Formats

RGB
13 71 142
RGB13 71 142
Red
Green
Blue
HSL
213.02deg 83.23% 30.39%
213.0283.2330.39HSL
Hue
Saturation
Lightness
HWB
213.02deg 5.1% 44.31%
213.025.144.31HWB
Hue
Whiteness
Blackness
hex#0D478E
rgb13 71 142
hsl213.02deg 83.23% 30.39%
cmyk90.85% 50% 0% 44.31%
hwb213.02deg 5.1% 44.31%
xyz-d650.07 0.07 0.26
oklch0.4062 0.1309 256.74
oklab0.4062 -0.03 -0.13
CMYK
90.85% 50% 0% 44.31%
90.8550044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.26
0.070.070.26XYZ
X
Y
Z
OKLCH
0.4062 0.1309 256.74
0.40620.1309256.74LCH
Lightness
Chroma
Hue
OKLAB
0.4062 -0.03 -0.13
0.4062-0.03-0.13LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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