Congress Blue

#0B3F80

General Information about Congress Blue

The hex color code #0B3F80 represents a deep shade of blue, often referred to as Congress Blue. In the RGB color model, it is composed of 4.31% red, 24.71% green, and 50.2% blue. This color is frequently associated with qualities such as stability, trust, and professionalism. It is commonly used in various design applications, including web design, branding, and interior decoration, where a sense of reliability and sophistication is desired. Its relatively low saturation and medium darkness make it a versatile choice that can be paired with both light and dark accents to create visually appealing compositions. Understanding its properties within different color models helps designers effectively utilize it in their projects.

The hex color #0B3F80, also known as Congress Blue, presents some accessibility challenges, particularly concerning text displayed against this background. With a relatively low lightness value, it requires careful consideration of foreground text colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using white (#FFFFFF) as the foreground color might not always meet these contrast requirements, especially for smaller text sizes. Therefore, it is advisable to use a lighter shade of yellow or off-white to guarantee readability for users with visual impairments. Tools like contrast checkers can be invaluable in assessing and adjusting color combinations to adhere to accessibility standards, promoting inclusivity and a better user experience for everyone.

Shades

Digital Color Formats

RGB
11 63 128
RGB11 63 128
Red
Green
Blue
HSL
213.33deg 84.17% 27.25%
213.3384.1727.25HSL
Hue
Saturation
Lightness
HWB
213.33deg 4.31% 49.8%
213.334.3149.8HWB
Hue
Whiteness
Blackness
hex#0B3F80
rgb11 63 128
hsl213.33deg 84.17% 27.25%
cmyk91.41% 50.78% 0% 49.8%
hwb213.33deg 4.31% 49.8%
xyz-d650.06 0.05 0.21
oklch0.376 0.1218 257
oklab0.376 -0.03 -0.12
CMYK
91.41% 50.78% 0% 49.8%
91.4150.78049.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.21
0.060.050.21XYZ
X
Y
Z
OKLCH
0.376 0.1218 257
0.3760.1218257LCH
Lightness
Chroma
Hue
OKLAB
0.376 -0.03 -0.12
0.376-0.03-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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