Congress Blue

#0F4189

General Information

The color #0F4189, commonly referred to as Congress Blue, is a deep and sophisticated shade of blue. It is located in the blue region of the color spectrum and possesses a relatively low saturation and brightness. This particular hue is often associated with qualities such as stability, trust, and intelligence, making it a popular choice for various applications across design and branding. Congress Blue is created by combining a small amount of red and green with a dominant amount of blue in the RGB color model. In hexadecimal representation, '#0F4189' translates to 15 parts red, 65 parts green, and 137 parts blue. Its somber tone makes it suitable for creating a sense of formality and professionalism in visual communications.

The hex color #0F4189, also known as Congress Blue, presents specific accessibility considerations for web development. When used as a foreground color for text, it necessitates careful selection of a contrasting background color to ensure sufficient readability. A light background color, such as a very pale yellow or a near-white hue, is generally recommended to meet WCAG (Web Content Accessibility Guidelines) standards for color contrast. Conversely, when used as a background color, pairing it with white or similarly light-colored text is advisable. It's crucial to evaluate color contrast ratios using tools like the WebAIM Color Contrast Checker to guarantee compliance with accessibility guidelines. Avoid pairing this dark blue with other dark colors, as this can result in insufficient contrast and make content difficult to perceive for users with visual impairments. Meaning should never be conveyed by color alone; always use text labels or alternative visual cues.

Shades

Digital Color Formats

RGB
15 65 137
RGB15 65 137
Red
Green
Blue
HSL
215.41deg 80.26% 29.8%
215.4180.2629.8HSL
Hue
Saturation
Lightness
HWB
215.41deg 5.88% 46.27%
215.415.8846.27HWB
Hue
Whiteness
Blackness
hex#0F4189
rgb15 65 137
hsl215.41deg 80.26% 29.8%
cmyk89.05% 52.55% 0% 46.27%
hwb215.41deg 5.88% 46.27%
xyz-d650.07 0.06 0.24
oklch0.3888 0.1311 258.7
oklab0.3888 -0.03 -0.13
CMYK
89.05% 52.55% 0% 46.27%
89.0552.55046.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.06 0.24
0.070.060.24XYZ
X
Y
Z
OKLCH
0.3888 0.1311 258.7
0.38880.1311258.7LCH
Lightness
Chroma
Hue
OKLAB
0.3888 -0.03 -0.13
0.3888-0.03-0.13LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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