Congress Blue

#0D4D8B

General Information about Congress Blue

Congress Blue, represented by the hexadecimal color code #0D4D8B, is a dark, muted shade of blue, evoking feelings of trust, stability, and authority. It's a color often associated with governmental organizations, educational institutions, and corporate entities seeking to project a sense of reliability. In the RGB color model, it is composed of 5.1% red, 30.2% green, and 54.5% blue. In the CMYK color model, used primarily in printing, it consists of 91% cyan, 45% magenta, 0% yellow, and 45% black. This color is best used when you need to instill confidence. It is used by many official organisations and therefore brings a formal look to your design. Congress Blue provides a good base for professional and trustworthy design concepts.

The color #0D4D8B, also known as Congress Blue, presents some accessibility challenges. Its relatively dark hue means it requires careful consideration when choosing text and background colors. For text, it's crucial to use very light colors such as white or very pale yellows to ensure sufficient contrast ratio as defined by WCAG guidelines. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. In user interface design, using this color for interactive elements like buttons or links necessitates clear visual cues, such as hover effects or underlines, to help users easily identify clickable areas. Additionally, consider providing alternative color schemes or a high-contrast mode to accommodate users with visual impairments. Thorough testing with accessibility evaluation tools is advisable to ensure compliance and usability for all users.

Shades

Digital Color Formats

RGB
13 77 139
RGB13 77 139
Red
Green
Blue
HSL
209.52deg 82.89% 29.8%
209.5282.8929.8HSL
Hue
Saturation
Lightness
HWB
209.52deg 5.1% 45.49%
209.525.145.49HWB
Hue
Whiteness
Blackness
hex#0D4D8B
rgb13 77 139
hsl209.52deg 82.89% 29.8%
cmyk90.65% 44.6% 0% 45.49%
hwb209.52deg 5.1% 45.49%
xyz-d650.07 0.07 0.25
oklch0.4183 0.1194 252.86
oklab0.4183 -0.04 -0.11
CMYK
90.65% 44.6% 0% 45.49%
90.6544.6045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.25
0.070.070.25XYZ
X
Y
Z
OKLCH
0.4183 0.1194 252.86
0.41830.1194252.86LCH
Lightness
Chroma
Hue
OKLAB
0.4183 -0.04 -0.11
0.4183-0.04-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons