Congress Blue

#0D4B8A

General Information about Congress Blue

The hexadecimal color code #0D4B8A, commonly known as Congress Blue, is a deep and rich shade of blue. It is composed of 5.1% red, 29.4% green, and 54.1% blue. In the RGB color model, this translates to the values of R:13, G:75, and B:138. This particular shade of blue is often associated with feelings of trust, stability, and professionalism. In terms of color theory, #0D4B8A belongs to the cool color family, making it a versatile choice for various design applications. The CMYK values for Congress Blue are C:91, M:46, Y:0, and K:46, indicating a high concentration of cyan and moderate magenta, with minimal yellow and a significant amount of black to achieve its depth. This color is suitable for creating a sense of seriousness, intelligence, and reliability.

The hex color #0d4b8a, also known as Congress Blue, presents some accessibility challenges. Its relatively low luminance value of 0.069 makes it difficult to achieve sufficient contrast against lighter backgrounds, which is crucial for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using #0d4b8a for text requires careful consideration of the background color to meet these standards. For instance, pairing it with a very light shade of yellow or white can improve readability. However, using it on darker backgrounds will result in very poor legibility. When using this color in web design, provide alternative color schemes or high contrast themes to accommodate users with diverse visual needs, including those with low vision or color blindness. Tools like contrast checkers can help ensure the color combination meets accessibility standards, fostering a more inclusive user experience.

Shades

Digital Color Formats

RGB
13 75 138
RGB13 75 138
Red
Green
Blue
HSL
210.24deg 82.78% 29.61%
210.2482.7829.61HSL
Hue
Saturation
Lightness
HWB
210.24deg 5.1% 45.88%
210.245.145.88HWB
Hue
Whiteness
Blackness
hex#0D4B8A
rgb13 75 138
hsl210.24deg 82.78% 29.61%
cmyk90.58% 45.65% 0% 45.88%
hwb210.24deg 5.1% 45.88%
xyz-d650.07 0.07 0.25
oklch0.4127 0.1204 253.69
oklab0.4127 -0.03 -0.12
CMYK
90.58% 45.65% 0% 45.88%
90.5845.65045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.25
0.070.070.25XYZ
X
Y
Z
OKLCH
0.4127 0.1204 253.69
0.41270.1204253.69LCH
Lightness
Chroma
Hue
OKLAB
0.4127 -0.03 -0.12
0.4127-0.03-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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