Congress Blue

#0F4A8C

General Information

The color #0f4a8c, also known as Congress Blue, is a deep, saturated shade of blue that evokes feelings of trust, authority, and stability. It belongs to the blue color family and is often associated with professionalism and reliability. In the RGB color model, it is composed of 5.88% red, 29.02% green, and 54.9% blue. Its hexadecimal representation, #0f4a8c, is commonly used in web design and digital media. This color can be perceived as calming and sophisticated, making it a popular choice for various applications ranging from corporate branding to website design. Its depth and richness allow it to stand out while still maintaining a sense of understated elegance.

The hex color #0f4a8c, also known as Congress Blue, presents some accessibility challenges. Its relatively low luminance value means that text rendered in this color requires careful consideration of contrast ratios against background colors. To meet WCAG (Web Content Accessibility Guidelines) standards, particularly AA and AAA levels, it's crucial to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text (14pt bold or 18pt regular). Using lighter background colors like whites, very light grays, or pale yellows can significantly improve readability. Additionally, providing alternative text descriptions for images and graphical elements using this color ensures that users with visual impairments can still access the information. Avoid using this color for essential interactive elements without sufficient contrast, as it can be difficult for users with low vision to perceive and interact with them effectively. Proper testing with accessibility tools and real users is highly recommended to validate the design's accessibility.

Shades

Digital Color Formats

RGB
15 74 140
RGB15 74 140
Red
Green
Blue
HSL
211.68deg 80.65% 30.39%
211.6880.6530.39HSL
Hue
Saturation
Lightness
HWB
211.68deg 5.88% 45.1%
211.685.8845.1HWB
Hue
Whiteness
Blackness
hex#0F4A8C
rgb15 74 140
hsl211.68deg 80.65% 30.39%
cmyk89.29% 47.14% 0% 45.1%
hwb211.68deg 5.88% 45.1%
xyz-d650.07 0.07 0.26
oklch0.4122 0.124 255.12
oklab0.4122 -0.03 -0.12
CMYK
89.29% 47.14% 0% 45.1%
89.2947.14045.1CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.26
0.070.070.26XYZ
X
Y
Z
OKLCH
0.4122 0.124 255.12
0.41220.124255.12LCH
Lightness
Chroma
Hue
OKLAB
0.4122 -0.03 -0.12
0.4122-0.03-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons