Congress Blue

#0F378B

General Information about Congress Blue

The hexadecimal color #0F378B, also known as Congress Blue, is a deep, saturated blue hue that evokes feelings of trust, stability, and authority. In the RGB color model, it is composed of 5.9% red, 21.6% green, and 54.5% blue. This color is often associated with professionalism and is commonly used in corporate branding, government institutions, and educational settings. Its rich and calming nature makes it suitable for creating a sense of reliability and competence. Congress Blue is a versatile color that can be paired with various other colors to achieve different effects, from a classic and sophisticated look to a modern and energetic feel. In color psychology, blues are often linked to intelligence, efficiency and serenity.

The hex color #0f378b, also known as Congress Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a foreground color for text, it requires careful consideration of the background color to ensure sufficient contrast for readability. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text (14pt bold or 18pt regular). Due to its dark nature, #0f378b necessitates a very light background to meet these standards. If pairing it with darker shades, ensure that interactive elements like buttons and links have clear visual indicators beyond just color to accommodate users with visual impairments or color vision deficiencies. It's also crucial to test color combinations using accessibility tools to verify compliance with accessibility standards.

Shades

Digital Color Formats

RGB
15 55 139
RGB15 55 139
Red
Green
Blue
HSL
220.65deg 80.52% 30.2%
220.6580.5230.2HSL
Hue
Saturation
Lightness
HWB
220.65deg 5.88% 45.49%
220.655.8845.49HWB
Hue
Whiteness
Blackness
hex#0F378B
rgb15 55 139
hsl220.65deg 80.52% 30.2%
cmyk89.21% 60.43% 0% 45.49%
hwb220.65deg 5.88% 45.49%
xyz-d650.06 0.05 0.25
oklch0.3684 0.1469 262.53
oklab0.3684 -0.02 -0.15
CMYK
89.21% 60.43% 0% 45.49%
89.2160.43045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.25
0.060.050.25XYZ
X
Y
Z
OKLCH
0.3684 0.1469 262.53
0.36840.1469262.53LCH
Lightness
Chroma
Hue
OKLAB
0.3684 -0.02 -0.15
0.3684-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons