Congress Blue

#0D3A8B

General Information about Congress Blue

The color #0D3A8B, also known as Congress Blue, is a dark shade of blue that belongs to the blue color family. In the RGB color model, it consists of 5.1% red, 22.7% green, and 54.5% blue. It has a hue of 218.2 degrees, a saturation of 84.4%, and a lightness of 29.8%. The color is associated with trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. Blue is considered beneficial to the mind and body. It slows human metabolism and produces a calming effect. It is strongly associated with tranquility and calmness. In color psychology, blue is reliable and responsible.

The hex color #0D3A8B, also known as Congress Blue, presents some accessibility challenges, particularly when used as text against a white background. Its low luminance value indicates that it might not meet the contrast ratios recommended by WCAG (Web Content Accessibility Guidelines). Specifically, the contrast ratio between #0D3A8B and white is insufficient for normal-sized text, potentially causing readability issues for users with visual impairments. To improve accessibility, consider pairing #0D3A8B with lighter colors like white, light yellow or light gray to ensure sufficient contrast. Alternatively, using #0D3A8B for larger text elements or graphical elements can also mitigate some accessibility concerns. Tools like contrast checkers can help evaluate and improve the accessibility of color combinations used in designs.

Shades

Digital Color Formats

RGB
13 58 139
RGB13 58 139
Red
Green
Blue
HSL
218.57deg 82.89% 29.8%
218.5782.8929.8HSL
Hue
Saturation
Lightness
HWB
218.57deg 5.1% 45.49%
218.575.145.49HWB
Hue
Whiteness
Blackness
hex#0D3A8B
rgb13 58 139
hsl218.57deg 82.89% 29.8%
cmyk90.65% 58.27% 0% 45.49%
hwb218.57deg 5.1% 45.49%
xyz-d650.06 0.05 0.25
oklch0.3744 0.1434 261.24
oklab0.3744 -0.02 -0.14
CMYK
90.65% 58.27% 0% 45.49%
90.6558.27045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.25
0.060.050.25XYZ
X
Y
Z
OKLCH
0.3744 0.1434 261.24
0.37440.1434261.24LCH
Lightness
Chroma
Hue
OKLAB
0.3744 -0.02 -0.14
0.3744-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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