Congress Blue

#0F4789

General Information

The hex color code #0F4789, also known as Congress Blue, is a dark shade of blue associated with stability, trust, and knowledge. In the RGB color model, it is composed of 5.88% red, 27.84% green, and 53.73% blue. This particular combination results in a hue that is often perceived as professional and reliable. It finds usage in various branding and design contexts, particularly where establishing credibility and trustworthiness is important. The color evokes a sense of formality and competence, making it suitable for industries such as finance, law, and government. Congress Blue can also be used creatively to add depth and sophistication to designs, whether in print or digital media.

The color #0F4789, a deep, saturated blue, presents several accessibility considerations, particularly in web design. When used as a foreground color for text, it's crucial to ensure sufficient contrast against the background. Light backgrounds like white (#FFFFFF) or very pale yellows are generally necessary to meet WCAG (Web Content Accessibility Guidelines) standards for readability. Tools like contrast checkers can help determine if the contrast ratio meets the minimum requirements (4.5:1 for normal text, 3:1 for large text). Avoid pairing this dark blue with other dark colors, as this can make text illegible for users with visual impairments. Also, consider providing alternative visual cues besides color to convey information, especially for users with color blindness. Using icons or text labels alongside color-coded elements can improve usability for everyone. When used as a background color, ensure that all foreground elements have adequate contrast and that interactive elements like buttons and links are clearly distinguishable.

Shades

Digital Color Formats

RGB
15 71 137
RGB15 71 137
Red
Green
Blue
HSL
212.46deg 80.26% 29.8%
212.4680.2629.8HSL
Hue
Saturation
Lightness
HWB
212.46deg 5.88% 46.27%
212.465.8846.27HWB
Hue
Whiteness
Blackness
hex#0F4789
rgb15 71 137
hsl212.46deg 80.26% 29.8%
cmyk89.05% 48.18% 0% 46.27%
hwb212.46deg 5.88% 46.27%
xyz-d650.07 0.06 0.25
oklch0.4028 0.1235 255.89
oklab0.4028 -0.03 -0.12
CMYK
89.05% 48.18% 0% 46.27%
89.0548.18046.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.06 0.25
0.070.060.25XYZ
X
Y
Z
OKLCH
0.4028 0.1235 255.89
0.40280.1235255.89LCH
Lightness
Chroma
Hue
OKLAB
0.4028 -0.03 -0.12
0.4028-0.03-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons