Congress Blue

#0B4E8D

General Information about Congress Blue (#0B4E8D)

The hex color code #0B4E8D, often referred to as Congress Blue, is a deep, saturated shade of blue. It is composed of 4.31% red, 30.59% green, and 55.29% blue. In the RGB color space, it is represented as RGB(11, 78, 141). This color falls within the blue range of the color spectrum and is often associated with feelings of trust, authority, and stability. In the CMYK color model, it consists of 92.19% cyan, 44.68% magenta, 0% yellow, and 44.71% black. This color is commonly used in branding, web design, and other visual communications where a sense of professionalism and reliability is desired. The color also has a historical significance because of its use in representing political parties in the United States.

The color #0B4E8D, a deep shade of blue often referred to as Congress Blue, presents several accessibility considerations for web developers. Its low lightness value means it requires careful pairing with contrasting colors to ensure readability. When used as a background, it necessitates light-colored text (white or light gray) to meet WCAG guidelines for contrast ratio. Conversely, using it for text requires a light background. Avoid pairing it with dark or similarly toned colors, as this can cause visual strain. Consider using tools like contrast checkers to verify sufficient contrast ratios. Furthermore, when incorporating this color into interactive elements like buttons or links, ensure that hover, focus, and active states are clearly distinguishable to aid users with visual impairments and those navigating with assistive technologies.

Shades

Digital Color Formats

RGB
11 78 141
RGB11 78 141
Red
Green
Blue
HSL
209.08deg 85.53% 29.8%
209.0885.5329.8HSL
Hue
Saturation
Lightness
HWB
209.08deg 4.31% 44.71%
209.084.3144.71HWB
Hue
Whiteness
Blackness
hex#0B4E8D
rgb11 78 141
hsl209.08deg 85.53% 29.8%
cmyk92.2% 44.68% 0% 44.71%
hwb209.08deg 4.31% 44.71%
xyz-d650.08 0.07 0.26
oklch0.4218 0.1213 252.64
oklab0.4218 -0.04 -0.12
CMYK
92.2% 44.68% 0% 44.71%
92.244.68044.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.07 0.26
0.080.070.26XYZ
X
Y
Z
OKLCH
0.4218 0.1213 252.64
0.42180.1213252.64LCH
Lightness
Chroma
Hue
OKLAB
0.4218 -0.04 -0.12
0.4218-0.04-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons