Congress Blue

#0D3C8B

General Information about Congress Blue (#0D3C8B)

The hex color #0D3C8B, also known as Congress Blue, is a dark shade of blue that evokes feelings of trust, stability, and authority. It is composed of 5.1% red, 23.5% green, and 54.5% blue. In the RGB color model, this translates to R:13, G:60, B:139. The corresponding CMYK color code is C:91, M:57, Y:0, K:45. In the HSL color space, #0D3C8B has a hue of 220 degrees, a saturation of 84.3%, and a lightness of 29.8%. Congress Blue is often associated with professionalism and competence, making it a popular choice for branding and corporate communications. Its deep, rich tone adds a sense of sophistication and gravitas to any design. The color's name suggests a connection to governmental and political contexts, further reinforcing its association with authority and trustworthiness.

The hex color #0D3C8B, also known as Congress Blue, presents some accessibility challenges, especially for text and interactive elements. Its low luminance value of 0.039 makes it a dark color, requiring careful consideration of contrast ratios. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments. When using #0D3C8B as a background, ensure that the foreground text is light enough to achieve a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Tools like WebAIM's contrast checker can help verify compliance. Avoid using this color for small, detailed graphics or icons, as its darkness can obscure fine details. Providing alternative, high-contrast themes or allowing users to adjust color settings can further enhance accessibility. Also, use of #0D3C8B should be carefully evaluated in contexts involving color as the sole indicator of meaning, ensuring that redundant cues are provided to accommodate users with color vision deficiencies.

Shades

Digital Color Formats

RGB
13 60 139
RGB13 60 139
Red
Green
Blue
HSL
217.62deg 82.89% 29.8%
217.6282.8929.8HSL
Hue
Saturation
Lightness
HWB
217.62deg 5.1% 45.49%
217.625.145.49HWB
Hue
Whiteness
Blackness
hex#0D3C8B
rgb13 60 139
hsl217.62deg 82.89% 29.8%
cmyk90.65% 56.83% 0% 45.49%
hwb217.62deg 5.1% 45.49%
xyz-d650.06 0.05 0.25
oklch0.3788 0.1408 260.58
oklab0.3788 -0.02 -0.14
CMYK
90.65% 56.83% 0% 45.49%
90.6556.83045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.25
0.060.050.25XYZ
X
Y
Z
OKLCH
0.3788 0.1408 260.58
0.37880.1408260.58LCH
Lightness
Chroma
Hue
OKLAB
0.3788 -0.02 -0.14
0.3788-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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