Congress Blue

#0B3D91

General Information about Congress Blue

The hex color #0B3D91, often referred to as Congress Blue, is a deep, rich shade of blue with a subtle hint of darkness. In the RGB color model, it is composed of 4.31% red, 23.92% green, and 56.86% blue. This color evokes feelings of trust, stability, and authority, making it a popular choice for branding and design elements associated with institutions and organizations. Its hexadecimal value makes it easily representable in web design and digital interfaces. Congress Blue is named after its use in governmental and political contexts, mirroring the sense of seriousness and importance often associated with these areas. It is a versatile color that can be used both as a primary color and as an accent color, depending on the desired effect.

The hex color #0B3D91, also known as Congress Blue, presents certain accessibility challenges, particularly concerning color contrast. When using this color for text or interactive elements, it's crucial to ensure sufficient contrast against the background. According to WCAG guidelines, the contrast ratio should be at least 4.5:1 for normal text and 3:1 for large text. Using a light color such as white or a pale yellow for text on a #0B3D91 background would improve readability for users with visual impairments. Tools like WebAIM's contrast checker can help evaluate and adjust color combinations to meet accessibility standards, which helps to ensure a better user experience for people with disabilities. It is recommended to avoid using #0B3D91 for critical UI elements without careful consideration of contrast.

Shades

Digital Color Formats

RGB
11 61 145
RGB11 61 145
Red
Green
Blue
HSL
217.61deg 85.9% 30.59%
217.6185.930.59HSL
Hue
Saturation
Lightness
HWB
217.61deg 4.31% 43.14%
217.614.3143.14HWB
Hue
Whiteness
Blackness
hex#0B3D91
rgb11 61 145
hsl217.61deg 85.9% 30.59%
cmyk92.41% 57.93% 0% 43.14%
hwb217.61deg 4.31% 43.14%
xyz-d650.07 0.05 0.27
oklch0.3858 0.1482 260.7
oklab0.3858 -0.02 -0.15
CMYK
92.41% 57.93% 0% 43.14%
92.4157.93043.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.05 0.27
0.070.050.27XYZ
X
Y
Z
OKLCH
0.3858 0.1482 260.7
0.38580.1482260.7LCH
Lightness
Chroma
Hue
OKLAB
0.3858 -0.02 -0.15
0.3858-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons