Congress Blue

#0B428D

General Information about Congress Blue

The hex color #0B428D, commonly known as Congress Blue, is a dark shade of blue that falls within the blue color family. In the RGB color model, it is composed of 4.31% red, 25.88% green, and 55.29% blue. Its CMYK values are 92.14% cyan, 53.03% magenta, 0% yellow, and 44.71% black. This color is often associated with stability, trust, and professionalism, making it a popular choice for various applications in design and branding. It provides a sense of calmness and can evoke feelings of security. In web design, it's frequently used for backgrounds, headers, and text, and it pairs well with lighter colors to create contrast and readability. The color has a serious, sophisticated and professional appeal.

The hex color #0B428D, also known as Congress Blue, presents several accessibility considerations for web developers. Its dark hue means that sufficient contrast is crucial when used with text or other interface elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text against its background. Using lighter colors such as white, yellow, or light gray for text on a #0B428D background will generally ensure good readability. Tools are available to measure color contrast ratios, helping developers verify compliance. It's essential to avoid using this color for crucial interactive elements without adequate visual cues, as users with low vision might struggle to perceive them. Thoughtful color choices enhance usability for all users, including those with visual impairments.

Shades

Digital Color Formats

RGB
11 66 141
RGB11 66 141
Red
Green
Blue
HSL
214.62deg 85.53% 29.8%
214.6285.5329.8HSL
Hue
Saturation
Lightness
HWB
214.62deg 4.31% 44.71%
214.624.3144.71HWB
Hue
Whiteness
Blackness
hex#0B428D
rgb11 66 141
hsl214.62deg 85.53% 29.8%
cmyk92.2% 53.19% 0% 44.71%
hwb214.62deg 4.31% 44.71%
xyz-d650.07 0.06 0.26
oklch0.3935 0.1362 258.36
oklab0.3935 -0.03 -0.13
CMYK
92.2% 53.19% 0% 44.71%
92.253.19044.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.06 0.26
0.070.060.26XYZ
X
Y
Z
OKLCH
0.3935 0.1362 258.36
0.39350.1362258.36LCH
Lightness
Chroma
Hue
OKLAB
0.3935 -0.03 -0.13
0.3935-0.03-0.13LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons