Congress Blue

#0A3A8E

General Information about Congress Blue

The hex color #0A3A8E, also known as Congress Blue, is a dark shade of blue that evokes feelings of professionalism, trust, and stability. It is commonly associated with governmental and corporate settings due to its serious and reliable nature. In the RGB color model, #0A3A8E consists of 3.92% red, 22.75% green, and 55.69% blue. Its CMYK values are 86.44% cyan, 59.15% magenta, 0% yellow, and 44.31% black. This color is often used in branding and design to convey a sense of authority and dependability. Its dark hue makes it suitable for backgrounds or accent colors when paired with lighter text or elements. The color is perceived as calming and orderly, making it a versatile choice for various applications.

The hex color #0A3A8E, also known as Congress Blue, presents some accessibility challenges, particularly for users with visual impairments. Its dark hue means that text or elements using this color as a background require very light foreground colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #0A3A8E, careful consideration must be given to the choice of foreground color to meet these standards. White or very light shades of yellow or gray are generally good choices. Tools like contrast checkers can be invaluable in determining whether a specific color combination meets accessibility requirements. Additionally, it's essential to avoid relying solely on color to convey information, as users with color blindness may not be able to distinguish between #0A3A8E and other similar dark colors. Providing alternative cues, such as text labels or icons, can improve the overall accessibility of designs using this color.

Shades

Digital Color Formats

RGB
10 58 142
RGB10 58 142
Red
Green
Blue
HSL
218.18deg 86.84% 29.8%
218.1886.8429.8HSL
Hue
Saturation
Lightness
HWB
218.18deg 3.92% 44.31%
218.183.9244.31HWB
Hue
Whiteness
Blackness
hex#0A3A8E
rgb10 58 142
hsl218.18deg 86.84% 29.8%
cmyk92.96% 59.15% 0% 44.31%
hwb218.18deg 3.92% 44.31%
xyz-d650.07 0.05 0.26
oklch0.3764 0.1481 261.1
oklab0.3764 -0.02 -0.15
CMYK
92.96% 59.15% 0% 44.31%
92.9659.15044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.05 0.26
0.070.050.26XYZ
X
Y
Z
OKLCH
0.3764 0.1481 261.1
0.37640.1481261.1LCH
Lightness
Chroma
Hue
OKLAB
0.3764 -0.02 -0.15
0.3764-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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