Congress Blue

#0D398B

General Information about Congress Blue

The hex color #0D398B, also known as Congress Blue, is a dark shade of blue that evokes feelings of trust, stability, and authority. It is composed of 5.1% red, 22.4% green, and 54.5% blue. In the RGB color space, it has the values (13, 57, 139). Congress Blue is often associated with governmental institutions, financial organizations, and educational establishments due to its serious and dependable nature. In color psychology, blue is known to promote calmness and serenity, while darker shades convey a sense of importance and reliability. The color's hexadecimal representation, #0D398B, indicates the specific proportions of red, green, and blue light that create this unique hue.

The hex color #0D398B, also known as Congress Blue, presents some accessibility challenges due to its relatively dark hue. When used as a background color, it necessitates light-colored text to ensure sufficient contrast for readability. 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, the contrast ratios should be even higher (7:1 and 4.5:1, respectively). Using color contrast checkers is essential to verify that the chosen text color meets these standards. Also, avoid using color alone to convey important information; supplement it with text or icons. For users with visual impairments, relying solely on color can exclude them from understanding the content. Therefore, thoughtful consideration of color combinations and adherence to accessibility guidelines are crucial when incorporating #0D398B into web design.

Shades

Digital Color Formats

RGB
13 57 139
RGB13 57 139
Red
Green
Blue
HSL
219.05deg 82.89% 29.8%
219.0582.8929.8HSL
Hue
Saturation
Lightness
HWB
219.05deg 5.1% 45.49%
219.055.145.49HWB
Hue
Whiteness
Blackness
hex#0D398B
rgb13 57 139
hsl219.05deg 82.89% 29.8%
cmyk90.65% 58.99% 0% 45.49%
hwb219.05deg 5.1% 45.49%
xyz-d650.06 0.05 0.25
oklch0.3722 0.1447 261.55
oklab0.3722 -0.02 -0.14
CMYK
90.65% 58.99% 0% 45.49%
90.6558.99045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.25
0.060.050.25XYZ
X
Y
Z
OKLCH
0.3722 0.1447 261.55
0.37220.1447261.55LCH
Lightness
Chroma
Hue
OKLAB
0.3722 -0.02 -0.14
0.3722-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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