Congress Blue

#0A4E91

General Information

Congress Blue, with the hexadecimal code #0A4E91, is a deep, rich shade of blue that evokes feelings of trust, stability, and authority. It resides in the blue color family, known for its calming and intellectual associations. The color's RGB values are R:10, G:78, B:145, indicating a strong presence of blue with moderate amounts of green and minimal red. In the CMYK color model, its values are C:93%, M:46%, Y:0%, K:43%. This suggests that Congress Blue is composed primarily of cyan and magenta, with a significant amount of black. It is often associated with professionalism and can be found in corporate branding, government materials, and educational resources. Its complex tone adds depth and sophistication to any design.

The color #0A4E91, also known as Congress Blue, presents some accessibility challenges, particularly concerning color contrast. When used as text against a white background, it may not meet WCAG (Web Content Accessibility Guidelines) requirements for contrast ratio, potentially causing readability issues for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Therefore, it's crucial to pair this color with lighter shades or white text on a darker background to ensure sufficient contrast. Tools like contrast checkers can help determine compliance. Thoughtful application of this color enhances inclusivity in design, promoting a more user-friendly experience for everyone, especially those with low vision or color blindness. Also consider increasing the font size to enhance readability.

Shades

Digital Color Formats

RGB
10 78 145
RGB10 78 145
Red
Green
Blue
HSL
209.78deg 87.1% 30.39%
209.7887.130.39HSL
Hue
Saturation
Lightness
HWB
209.78deg 3.92% 43.14%
209.783.9243.14HWB
Hue
Whiteness
Blackness
hex#0A4E91
rgb10 78 145
hsl209.78deg 87.1% 30.39%
cmyk93.1% 46.21% 0% 43.14%
hwb209.78deg 3.92% 43.14%
xyz-d650.08 0.08 0.28
oklch0.4245 0.1269 253.7
oklab0.4245 -0.04 -0.12
CMYK
93.1% 46.21% 0% 43.14%
93.146.21043.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.08 0.28
0.080.080.28XYZ
X
Y
Z
OKLCH
0.4245 0.1269 253.7
0.42450.1269253.7LCH
Lightness
Chroma
Hue
OKLAB
0.4245 -0.04 -0.12
0.4245-0.04-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons