Congress Blue

#0D3B8B

General Information about Congress Blue

Congress Blue, with the hex code #0D3B8B, is a dark shade of blue that evokes feelings of trust, stability, and authority. It is often associated with professionalism and competence. In color psychology, blue is known for its calming effects, promoting a sense of tranquility and order. This particular shade is named 'Congress Blue' possibly due to its use in formal or official contexts, resembling the colors often associated with governmental or institutional settings. It is a versatile color that can be used in a variety of applications, from web design to interior decoration. Its depth and richness make it a sophisticated choice for creating a sense of confidence and reliability. The color is composed of 5.1% red, 23.1% green and 54.5% blue.

The hex color #0D3B8B, also known as Congress Blue, presents some accessibility challenges due to its relatively dark nature. When used as a background color, it's crucial to ensure that the text layered on top has sufficient contrast to meet WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text (14pt bold or 18pt regular) to ensure readability for users with visual impairments. Using a light color like white or a very pale yellow for the text is advisable. Also, avoid using this color for elements that need to be easily distinguishable, such as interactive components or calls to action, without careful consideration of the surrounding colors and contrast. Tools like accessibility checkers can help verify if the color combinations used meet accessibility standards. Remember to consider users with color blindness by providing additional cues or indicators beyond just color.

Shades

Digital Color Formats

RGB
13 59 139
RGB13 59 139
Red
Green
Blue
HSL
218.1deg 82.89% 29.8%
218.182.8929.8HSL
Hue
Saturation
Lightness
HWB
218.1deg 5.1% 45.49%
218.15.145.49HWB
Hue
Whiteness
Blackness
hex#0D3B8B
rgb13 59 139
hsl218.1deg 82.89% 29.8%
cmyk90.65% 57.55% 0% 45.49%
hwb218.1deg 5.1% 45.49%
xyz-d650.06 0.05 0.25
oklch0.3765 0.1421 260.92
oklab0.3765 -0.02 -0.14
CMYK
90.65% 57.55% 0% 45.49%
90.6557.55045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.25
0.060.050.25XYZ
X
Y
Z
OKLCH
0.3765 0.1421 260.92
0.37650.1421260.92LCH
Lightness
Chroma
Hue
OKLAB
0.3765 -0.02 -0.14
0.3765-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons