Congress Blue

#0A3F8E

General Information about Congress Blue

The hex color #0A3F8E, also known as Congress Blue, is a deep, saturated blue hue that evokes feelings of trust, stability, and authority. It is often associated with professionalism, intelligence, and classic style. In the RGB color model, #0A3F8E is composed of 3.92% red, 24.71% green, and 55.69% blue. In the CMYK color model, it consists of 93% cyan, 56% magenta, 0% yellow, and 44% black. This color is widely used in various applications, from web design and branding to fashion and interior decoration, to convey a sense of reliability and sophistication. Its versatility makes it a popular choice for creating a professional and trustworthy image. Congress Blue finds use across diverse fields, from crafting digital interfaces to designing corporate identities. It is also a color that blends well with other colors allowing for multiple applications.

The hex color #0A3F8E, also known as Congress Blue, presents some accessibility challenges. Its relatively low lightness value means that text rendered in this color may lack sufficient contrast against a white or light-colored background, potentially making it difficult for users with visual impairments to read. According to WCAG guidelines, sufficient contrast is crucial for readability. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #0A3F8E, it is advisable to use a lighter color for the text or background to ensure that the content is accessible to everyone. Tools like contrast checkers can help determine if the color combination meets accessibility standards. Additionally, providing alternative text for images and ensuring proper semantic structure can further enhance the accessibility of content using this color.

Shades

Digital Color Formats

RGB
10 63 142
RGB10 63 142
Red
Green
Blue
HSL
215.91deg 86.84% 29.8%
215.9186.8429.8HSL
Hue
Saturation
Lightness
HWB
215.91deg 3.92% 44.31%
215.913.9244.31HWB
Hue
Whiteness
Blackness
hex#0A3F8E
rgb10 63 142
hsl215.91deg 86.84% 29.8%
cmyk92.96% 55.63% 0% 44.31%
hwb215.91deg 3.92% 44.31%
xyz-d650.07 0.06 0.26
oklch0.3874 0.1416 259.5
oklab0.3874 -0.03 -0.14
CMYK
92.96% 55.63% 0% 44.31%
92.9655.63044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.06 0.26
0.070.060.26XYZ
X
Y
Z
OKLCH
0.3874 0.1416 259.5
0.38740.1416259.5LCH
Lightness
Chroma
Hue
OKLAB
0.3874 -0.03 -0.14
0.3874-0.03-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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