Congress Blue

#09508F

General Information about Congress Blue

The hex color #09508F, commonly known as Congress Blue, is a dark shade of blue that evokes feelings of stability, trust, and authority. In the RGB color model, it consists of 9 red, 80 green, and 143 blue. The color is often associated with professionalism and reliability, making it suitable for various applications, including corporate branding and digital interfaces. Its depth and richness provide a sense of sophistication, which is why it's used in official settings. It has a cool undertone, and can be combined with warmer colors to create balance and contrast. The color is also relatively muted, making it easy on the eyes for extended viewing periods. It is often used in government websites, financial institutions, and educational platforms to inspire confidence.

The hex color #09508F, also known as Congress Blue, presents some accessibility challenges, especially when used as a background color for text. Due to its dark nature, sufficient contrast with text is crucial to ensure readability. White or very light shades of yellow or green are generally recommended for text placed on this background. According to WCAG (Web Content Accessibility Guidelines), the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text to meet AA compliance. For AAA compliance, these ratios increase to 7:1 and 4.5:1, respectively. Tools are readily available online to check the contrast ratio of any color combination. Designers and developers must consider these guidelines to make content accessible to individuals with visual impairments. Use of this color in interactive elements, like buttons, requires careful consideration of focus states to ensure users can clearly identify the active element. Additionally, relying solely on color to convey information is discouraged; supplementary cues, such as icons or text labels, should be used to enhance accessibility.

Shades

Digital Color Formats

RGB
9 80 143
RGB9 80 143
Red
Green
Blue
HSL
208.21deg 88.16% 29.8%
208.2188.1629.8HSL
Hue
Saturation
Lightness
HWB
208.21deg 3.53% 43.92%
208.213.5343.92HWB
Hue
Whiteness
Blackness
hex#09508F
rgb9 80 143
hsl208.21deg 88.16% 29.8%
cmyk93.71% 44.06% 0% 43.92%
hwb208.21deg 3.53% 43.92%
xyz-d650.08 0.08 0.27
oklch0.4277 0.122 251.9
oklab0.4277 -0.04 -0.12
CMYK
93.71% 44.06% 0% 43.92%
93.7144.06043.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.08 0.27
0.080.080.27XYZ
X
Y
Z
OKLCH
0.4277 0.122 251.9
0.42770.122251.9LCH
Lightness
Chroma
Hue
OKLAB
0.4277 -0.04 -0.12
0.4277-0.04-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons