Congress Blue

#0A4993

About Congress Blue

Congress Blue, represented by the hexadecimal color code #0A4993, is a deep, saturated blue that evokes feelings of stability, trust, and authority. It is often associated with governmental institutions, hence the name, and is frequently used in contexts where conveying a sense of reliability and professionalism is important. This color is a blend of blue and a slight hint of green, which contributes to its calming and authoritative presence. In terms of color theory, Congress Blue resides in the blue portion of the color spectrum. Its use in design can convey a sense of seriousness, competence, and dependability. It is a popular choice for businesses, educational institutions, and organizations aiming to project a trustworthy image.

The hex color #0a4993, also known as Congress Blue, presents some accessibility considerations for web design. Due to its relatively dark hue, sufficient contrast with lighter text is crucial. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to ensure readability for users with visual impairments. When using #0a4993 as a background, it's essential to pair it with a text color like white or a very light shade of yellow or gray. Tools like contrast checkers can help verify compliance with these guidelines. Additionally, avoid using this color as the sole indicator of important interactive elements; supplemental cues like underlines or icons can improve usability for all users, particularly those with color vision deficiencies. Ensure all links and interactive controls have sufficient contrast and are recognizable regardless of color perception.

Shades

Digital Color Formats

RGB
10 73 147
RGB10 73 147
Red
Green
Blue
HSL
212.41deg 87.26% 30.78%
212.4187.2630.78HSL
Hue
Saturation
Lightness
HWB
212.41deg 3.92% 42.35%
212.413.9242.35HWB
Hue
Whiteness
Blackness
hex#0A4993
rgb10 73 147
hsl212.41deg 87.26% 30.78%
cmyk93.2% 50.34% 0% 42.35%
hwb212.41deg 3.92% 42.35%
xyz-d650.08 0.07 0.29
oklch0.4143 0.1358 256.53
oklab0.4143 -0.03 -0.13
CMYK
93.2% 50.34% 0% 42.35%
93.250.34042.35CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.07 0.29
0.080.070.29XYZ
X
Y
Z
OKLCH
0.4143 0.1358 256.53
0.41430.1358256.53LCH
Lightness
Chroma
Hue
OKLAB
0.4143 -0.03 -0.13
0.4143-0.03-0.13LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons