Congress Blue

#0B4881

General Information

Congress Blue, identified by the hexadecimal code #0B4881, is a dark shade of blue that evokes feelings of stability, trust, and professionalism. It belongs to the blue color family, which is often associated with calmness and dependability. In the RGB color model, #0B4881 is composed of 4.31% red, 28.24% green, and 50.59% blue. The CMYK representation is 78.7% cyan, 44.2% magenta, 0% yellow, and 49.4% black. This color is commonly used in corporate branding, government websites, and financial institutions to project an image of authority and reliability. Its deep tone makes it suitable for backgrounds, text, and accents in various design applications.

The hex color #0B4881, also known as Congress Blue, presents some 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, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text to meet AA level compliance. Considering #0B4881's darkness, pairing it with light colors like whites, creams, or very light yellows is essential to achieve acceptable contrast. Tools like contrast checkers can help determine if a specific color combination meets these standards. Insufficient contrast can lead to readability issues, especially for users with visual impairments. For graphical elements and user interface components, a contrast ratio of 3:1 is recommended against the surrounding color. Always test color combinations with accessibility in mind to provide an inclusive experience.

Shades

Digital Color Formats

RGB
11 72 129
RGB11 72 129
Red
Green
Blue
HSL
208.98deg 84.29% 27.45%
208.9884.2927.45HSL
Hue
Saturation
Lightness
HWB
208.98deg 4.31% 49.41%
208.984.3149.41HWB
Hue
Whiteness
Blackness
hex#0B4881
rgb11 72 129
hsl208.98deg 84.29% 27.45%
cmyk91.47% 44.19% 0% 49.41%
hwb208.98deg 4.31% 49.41%
xyz-d650.06 0.06 0.22
oklch0.3985 0.112 252.23
oklab0.3985 -0.03 -0.11
CMYK
91.47% 44.19% 0% 49.41%
91.4744.19049.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.22
0.060.060.22XYZ
X
Y
Z
OKLCH
0.3985 0.112 252.23
0.39850.112252.23LCH
Lightness
Chroma
Hue
OKLAB
0.3985 -0.03 -0.11
0.3985-0.03-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons