Congress Blue

#0B3D8D

General Information about Congress Blue

The color #0b3d8d, commonly referred to as Congress Blue, is a dark, muted shade of blue that evokes feelings of trust, stability, and authority. In the RGB color model, it consists of 4.31% red, 23.92% green, and 55.29% blue. Its CMYK values are 92.13% cyan, 56.6% magenta, 0% yellow, and 44.71% black. Congress Blue is often associated with governmental and institutional settings, lending a sense of formality and professionalism. This color's hexadecimal representation makes it easily adaptable for digital use, ensuring consistency across various platforms and devices. Its depth and richness make it suitable for a wide range of applications, from corporate branding to web design, where it can convey reliability and sophistication. Due to its relatively low brightness, it is best used with lighter colors to ensure legibility and visual clarity.

The hex color #0b3d8d, also known as Congress Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it requires light-colored text to ensure readability. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text, as per WCAG guidelines. Using a color contrast checker is crucial to verify compliance. Given its dark nature, pairing #0b3d8d with whites, light yellows, or other very light shades is advisable. Avoid using it with darker colors or mid-tones, as this can make content difficult to read for users with visual impairments. Careful consideration of text size and font weight can also help improve readability. For interactive elements, ensure sufficient contrast for hover, focus, and active states to provide a clear visual cue for users.

Shades

Digital Color Formats

RGB
11 61 141
RGB11 61 141
Red
Green
Blue
HSL
216.92deg 85.53% 29.8%
216.9285.5329.8HSL
Hue
Saturation
Lightness
HWB
216.92deg 4.31% 44.71%
216.924.3144.71HWB
Hue
Whiteness
Blackness
hex#0B3D8D
rgb11 61 141
hsl216.92deg 85.53% 29.8%
cmyk92.2% 56.74% 0% 44.71%
hwb216.92deg 4.31% 44.71%
xyz-d650.07 0.05 0.26
oklch0.3823 0.1427 260.19
oklab0.3823 -0.02 -0.14
CMYK
92.2% 56.74% 0% 44.71%
92.256.74044.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.05 0.26
0.070.050.26XYZ
X
Y
Z
OKLCH
0.3823 0.1427 260.19
0.38230.1427260.19LCH
Lightness
Chroma
Hue
OKLAB
0.3823 -0.02 -0.14
0.3823-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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