Congress Blue

#0D3F8A

General Information about Congress Blue

The hexadecimal color #0D3F8A, also known as Congress Blue, is a dark shade of blue. It's composed of 5.1% red, 24.7% green, and 54.1% blue. In the RGB color model, this color is represented as (13, 63, 138). This color is often associated with qualities like stability, trust, and authority. It is frequently used in corporate branding and government-related applications where these characteristics are desired. The color's darkness also implies seriousness and depth, making it a versatile choice for designs that need to convey reliability and professionalism. In design, the color pairs well with contrasting colors like yellows and oranges to create a visually appealing effect.

The hex color #0D3F8A, also known as Congress Blue, presents some accessibility challenges due to its dark nature. When used as a background color, it requires light-colored text to ensure sufficient contrast for readability. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. Using a color contrast checker is crucial to verify that the chosen text color meets these standards. If the contrast is insufficient, consider lightening the blue or using a different, more accessible color combination. For users with visual impairments, including those with low vision or color blindness, adequate contrast is essential for perceiving content effectively. Always prioritize accessibility when designing websites and applications to ensure inclusivity.

Shades

Digital Color Formats

RGB
13 63 138
RGB13 63 138
Red
Green
Blue
HSL
216deg 82.78% 29.61%
21682.7829.61HSL
Hue
Saturation
Lightness
HWB
216deg 5.1% 45.88%
2165.145.88HWB
Hue
Whiteness
Blackness
hex#0D3F8A
rgb13 63 138
hsl216deg 82.78% 29.61%
cmyk90.58% 54.35% 0% 45.88%
hwb216deg 5.1% 45.88%
xyz-d650.07 0.05 0.25
oklch0.3846 0.1355 259.33
oklab0.3846 -0.03 -0.13
CMYK
90.58% 54.35% 0% 45.88%
90.5854.35045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.05 0.25
0.070.050.25XYZ
X
Y
Z
OKLCH
0.3846 0.1355 259.33
0.38460.1355259.33LCH
Lightness
Chroma
Hue
OKLAB
0.3846 -0.03 -0.13
0.3846-0.03-0.13LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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