Congress Blue

#0D3A8A

General Information about Congress Blue

Congress Blue, represented by the hexadecimal color code #0D3A8A, is a dark shade of blue that evokes feelings of stability, authority, and trust. In color psychology, blue is often associated with calmness, intelligence, and efficiency. This particular shade, with its deeper tone, conveys a sense of seriousness and professionalism. It is frequently used in contexts where reliability and credibility are paramount. Its RGB values are R:13, G:58, B:138, indicating a high proportion of blue with relatively low red and green components. In the CMYK color model, its values are C:91, M:58, Y:0, K:46. This color is ideal for corporate branding, website design, and other applications where a sense of dependability is desired. The color is more on the dark side, so make sure to use it with light colors.

The hex color #0D3A8A, also known as Congress Blue, presents specific accessibility considerations, primarily in text and user interface design. Its dark hue results in a low contrast ratio when paired with other dark colors, potentially causing readability issues for users, especially those with visual impairments. To ensure accessibility, it's crucial to use #0D3A8A with light or very bright background colors. For text, aiming for a contrast ratio of at least 4.5:1, as recommended by WCAG guidelines, is essential. Larger text can meet the minimum contrast ratio at 3:1. When used for interactive elements like buttons or links, sufficient color contrast is crucial to help users with visual impairments to identify the presence and affordance of such elements. Also consider providing alternative visual cues, such as underlines or borders, to enhance usability for everyone. The color should also be tested in greyscale as colors can appear differently depending on the user's eyesight.

Shades

Digital Color Formats

RGB
13 58 138
RGB13 58 138
Red
Green
Blue
HSL
218.4deg 82.78% 29.61%
218.482.7829.61HSL
Hue
Saturation
Lightness
HWB
218.4deg 5.1% 45.88%
218.45.145.88HWB
Hue
Whiteness
Blackness
hex#0D3A8A
rgb13 58 138
hsl218.4deg 82.78% 29.61%
cmyk90.58% 57.97% 0% 45.88%
hwb218.4deg 5.1% 45.88%
xyz-d650.06 0.05 0.25
oklch0.3735 0.142 261.12
oklab0.3735 -0.02 -0.14
CMYK
90.58% 57.97% 0% 45.88%
90.5857.97045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.25
0.060.050.25XYZ
X
Y
Z
OKLCH
0.3735 0.142 261.12
0.37350.142261.12LCH
Lightness
Chroma
Hue
OKLAB
0.3735 -0.02 -0.14
0.3735-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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