Congress Blue

#0F3D89

About Congress Blue (#0F3D89)

The hex color #0F3D89, also known as Congress Blue, is a deep, saturated blue hue that evokes feelings of trust, stability, and professionalism. In the RGB color model, it is composed of 5.9% red, 23.9% green, and 53.7% blue. This particular shade of blue is often associated with corporate settings, government institutions, and educational environments due to its serious and reliable nature. It's a versatile color that can be used in a variety of design applications, from web design to print materials, to convey a sense of authority and competence. In color psychology, blue is often linked to feelings of calmness and security, making it a popular choice for brands that want to project these qualities.

The hex color #0F3D89, also known as Congress Blue, presents some accessibility challenges, especially when used as a foreground color against a white or light background. Its low lightness value means it has insufficient contrast for users with visual impairments. According to WCAG guidelines, the contrast ratio should be at least 4.5:1 for normal text and 3:1 for large text to ensure readability. When using Congress Blue for text or interactive elements, it is crucial to pair it with a very light color, like white or a pale yellow, to meet accessibility standards. For non-text elements, a contrast ratio of 3:1 is required. Additionally, avoid relying solely on color to convey important information; use text labels or other visual cues to ensure usability for colorblind users. Testing the color combination with accessibility tools can help verify compliance.

Shades

Digital Color Formats

RGB
15 61 137
RGB15 61 137
Red
Green
Blue
HSL
217.38deg 80.26% 29.8%
217.3880.2629.8HSL
Hue
Saturation
Lightness
HWB
217.38deg 5.88% 46.27%
217.385.8846.27HWB
Hue
Whiteness
Blackness
hex#0F3D89
rgb15 61 137
hsl217.38deg 80.26% 29.8%
cmyk89.05% 55.47% 0% 46.27%
hwb217.38deg 5.88% 46.27%
xyz-d650.06 0.05 0.24
oklch0.3797 0.1363 260.31
oklab0.3797 -0.02 -0.13
CMYK
89.05% 55.47% 0% 46.27%
89.0555.47046.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.24
0.060.050.24XYZ
X
Y
Z
OKLCH
0.3797 0.1363 260.31
0.37970.1363260.31LCH
Lightness
Chroma
Hue
OKLAB
0.3797 -0.02 -0.13
0.3797-0.02-0.13LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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