Congress Blue

#0B3A8D

General Information

The hex color code #0B3A8D, also known as Congress Blue, is a deep, saturated shade of blue. It is composed of 4.31% red, 22.75% green, and 55.29% blue. In the RGB color model, this translates to R:11, G:58, B:141. The corresponding CMYK values are C:92, M:59, Y:0, K:45. This color is often associated with trustworthiness, stability, and professionalism. Its hexadecimal representation indicates a higher intensity of blue compared to red and green, resulting in its characteristic deep-blue hue. Congress Blue is frequently used in branding, web design, and interior design to convey a sense of reliability and sophistication, making it a popular choice for organizations seeking to project a steadfast and confident image.

The color #0B3A8D, also known as Congress Blue, presents some accessibility challenges, particularly concerning color contrast. When used as text against a white background, the contrast ratio is significantly low, making it difficult for users with visual impairments to read comfortably. To improve accessibility, consider using this color for larger text elements or as a background color with lighter text. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text according to WCAG guidelines. Pairing Congress Blue with colors like white, light yellow, or light gray can enhance readability and ensure a better user experience for individuals with disabilities. Also, consider providing alternative styling options that users can customize to their preferences, ensuring inclusivity for all users.

Shades

Digital Color Formats

RGB
11 58 141
RGB11 58 141
Red
Green
Blue
HSL
218.31deg 85.53% 29.8%
218.3185.5329.8HSL
Hue
Saturation
Lightness
HWB
218.31deg 4.31% 44.71%
218.314.3144.71HWB
Hue
Whiteness
Blackness
hex#0B3A8D
rgb11 58 141
hsl218.31deg 85.53% 29.8%
cmyk92.2% 58.87% 0% 44.71%
hwb218.31deg 4.31% 44.71%
xyz-d650.06 0.05 0.26
oklch0.3757 0.1465 261.14
oklab0.3757 -0.02 -0.14
CMYK
92.2% 58.87% 0% 44.71%
92.258.87044.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.26
0.060.050.26XYZ
X
Y
Z
OKLCH
0.3757 0.1465 261.14
0.37570.1465261.14LCH
Lightness
Chroma
Hue
OKLAB
0.3757 -0.02 -0.14
0.3757-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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