Congress Blue

#0F3789

General Information about Congress Blue

The hex color #0F3789, also known as Congress Blue, is a deep, dark shade of blue with a hex code of #0F3789. It belongs to the blue color family and possesses a strong, commanding presence. In the RGB color model, it is composed of 5.9% red, 21.6% green, and 53.7% blue. In the CMYK color model, its composition is 90% cyan, 60% magenta, 0% yellow, and 46% black. This color is often associated with feelings of trust, stability, and authority. It is frequently used in corporate branding and government-related contexts to convey a sense of professionalism and reliability. Its darker tone can also evoke feelings of seriousness and depth.

The color #0F3789, also known as Congress Blue, presents some accessibility challenges, particularly concerning color contrast. When using this color for text or interactive elements, it is crucial to ensure sufficient contrast against the background. According to WCAG guidelines, the minimum contrast ratio for normal text is 4.5:1, and for large text (14pt bold or 18pt regular), it's 3:1. Due to its relative darkness, #0F3789 requires a very light background color to meet these standards. Using online contrast checkers is recommended to test combinations. Avoid pairing it with mid-tone or dark colors. For users with visual impairments, providing alternative cues such as icons or text labels alongside color is highly beneficial. Also consider providing options for users to customize the color scheme to suit their individual needs.

Shades

Digital Color Formats

RGB
15 55 137
RGB15 55 137
Red
Green
Blue
HSL
220.33deg 80.26% 29.8%
220.3380.2629.8HSL
Hue
Saturation
Lightness
HWB
220.33deg 5.88% 46.27%
220.335.8846.27HWB
Hue
Whiteness
Blackness
hex#0F3789
rgb15 55 137
hsl220.33deg 80.26% 29.8%
cmyk89.05% 59.85% 0% 46.27%
hwb220.33deg 5.88% 46.27%
xyz-d650.06 0.05 0.24
oklch0.3666 0.1441 262.34
oklab0.3666 -0.02 -0.14
CMYK
89.05% 59.85% 0% 46.27%
89.0559.85046.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.24
0.060.050.24XYZ
X
Y
Z
OKLCH
0.3666 0.1441 262.34
0.36660.1441262.34LCH
Lightness
Chroma
Hue
OKLAB
0.3666 -0.02 -0.14
0.3666-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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