Congress Blue

#0A3F91

General Information about Congress Blue

Congress Blue, represented by the hexadecimal code #0A3F91, is a dark shade of blue that evokes feelings of authority, stability, and sophistication. It is often associated with institutions, governments, and established organizations, lending a sense of credibility and trustworthiness. In the RGB color model, it consists of 3.92% red, 24.71% green, and 56.86% blue. The color's CMYK values are 93% cyan, 56% magenta, 0% yellow, and 43% black. This rich, deep blue can be used in various design contexts to convey professionalism and seriousness. Its low lightness value makes it best suited for backgrounds or accents, paired with lighter colors to ensure readability and visual balance. The color's name suggests a connection to governmental or political entities, further reinforcing its association with authority and order.

The color #0A3F91, also known as Congress Blue, presents some accessibility challenges, especially when used as a background color for text. Its low lightness value (around 6%) means that text rendered in black would have extremely poor contrast, making it difficult for users to read, particularly those with visual impairments. To ensure accessibility, it is crucial to use a light-colored text on this background. White text offers the best contrast ratio and is highly recommended. Furthermore, avoid using this color for essential interactive elements without careful consideration of contrast. Tools such as WebAIM's Contrast Checker can be used to verify that color combinations meet WCAG (Web Content Accessibility Guidelines) standards. Providing sufficient contrast is not only about visual clarity but also about inclusivity, ensuring that content is perceivable to the widest possible audience. When used for graphical elements, ensure alternative cues are available for colorblind users.

Shades

Digital Color Formats

RGB
10 63 145
RGB10 63 145
Red
Green
Blue
HSL
216.44deg 87.1% 30.39%
216.4487.130.39HSL
Hue
Saturation
Lightness
HWB
216.44deg 3.92% 43.14%
216.443.9243.14HWB
Hue
Whiteness
Blackness
hex#0A3F91
rgb10 63 145
hsl216.44deg 87.1% 30.39%
cmyk93.1% 56.55% 0% 43.14%
hwb216.44deg 3.92% 43.14%
xyz-d650.07 0.06 0.28
oklch0.39 0.1458 259.93
oklab0.39 -0.03 -0.14
CMYK
93.1% 56.55% 0% 43.14%
93.156.55043.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.06 0.28
0.070.060.28XYZ
X
Y
Z
OKLCH
0.39 0.1458 259.93
0.390.1458259.93LCH
Lightness
Chroma
Hue
OKLAB
0.39 -0.03 -0.14
0.39-0.03-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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