Congress Blue

#004C9B

General Information about Congress Blue

The hex color #004C9B, also known as Congress Blue, is a deep and rich shade of blue. It belongs to the blue color family and is characterized by its strong, authoritative presence. In the RGB color model, it is composed of 0 red, 76 green, and 155 blue. In the CMYK color model, it consists of 100% cyan, 51% magenta, 0% yellow, and 39% black. This color is often associated with qualities such as trust, stability, and professionalism. It is a popular choice for corporate branding, government websites, and other applications where a sense of authority and reliability is desired. Congress Blue is a versatile color that can be used in a variety of design contexts, from print to digital media.

The hex color #004c9b, also known as Congress Blue, presents several accessibility considerations for web developers. Its relatively dark hue means it requires careful pairing with lighter text or interface elements to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text to meet AA compliance. Using this color for text on a white background may not meet these standards, necessitating a lighter color choice for readability. When using #004c9b as a background color, light yellows, whites, or very light grays can provide the necessary contrast. Additionally, it's crucial to consider users with color vision deficiencies. Tools for simulating color blindness can help evaluate whether the color scheme remains accessible to everyone, or if alternative color combinations are required. Remember to test your designs with different accessibility evaluation tools.

Shades

Digital Color Formats

RGB
0 76 155
RGB0 76 155
Red
Green
Blue
HSL
210.58deg 100% 30.39%
210.5810030.39HSL
Hue
Saturation
Lightness
HWB
210.58deg 0% 39.22%
210.58039.22HWB
Hue
Whiteness
Blackness
hex#004C9B
rgb0 76 155
hsl210.58deg 100% 30.39%
cmyk100% 50.97% 0% 39.22%
hwb210.58deg 0% 39.22%
xyz-d650.09 0.08 0.32
oklch0.426 0.1444 255.82
oklab0.426 -0.04 -0.14
CMYK
100% 50.97% 0% 39.22%
10050.97039.22CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.08 0.32
0.090.080.32XYZ
X
Y
Z
OKLCH
0.426 0.1444 255.82
0.4260.1444255.82LCH
Lightness
Chroma
Hue
OKLAB
0.426 -0.04 -0.14
0.426-0.04-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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