Congress Blue

#0F388B

About Congress Blue (#0F388B)

The hex color #0F388B, commonly referred to as Congress Blue, is a dark, muted shade of blue that evokes feelings of trust, stability, and authority. In the RGB color model, it consists of 5.88% red, 21.96% green, and 54.51% blue. Its use is prevalent in branding and design where these attributes are desirable. It is often used in corporate websites, government publications, and educational materials. From a color psychology perspective, blue is associated with calmness and serenity, while the darker tones suggest reliability and professionalism. Congress Blue is a versatile color, lending itself well to both digital and print applications. Its depth and richness allow it to be used as a primary color or as an accent, depending on the desired effect.

The hex color #0f388b, also known as Congress Blue, presents some accessibility challenges, particularly when used for text or interactive elements. Due to its relatively low luminance, it requires careful consideration of contrast ratios. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is required for standard text and 3:1 for large text against its background. When pairing #0f388b with lighter colors, it's crucial to ensure sufficient contrast to meet these guidelines, aiding users with visual impairments. Using online contrast checkers can help in determining the compliance of color combinations. Implementing accessible rich internet applications (ARIA) roles and labels can also enhance the usability for assistive technologies, mitigating potential accessibility issues arising from color contrast alone. Thoughtful design choices, focusing on high contrast combinations and supplemental accessibility features, are vital when employing #0f388b in user interfaces to ensure inclusivity.

Shades

Digital Color Formats

RGB
15 56 139
RGB15 56 139
Red
Green
Blue
HSL
220.16deg 80.52% 30.2%
220.1680.5230.2HSL
Hue
Saturation
Lightness
HWB
220.16deg 5.88% 45.49%
220.165.8845.49HWB
Hue
Whiteness
Blackness
hex#0F388B
rgb15 56 139
hsl220.16deg 80.52% 30.2%
cmyk89.21% 59.71% 0% 45.49%
hwb220.16deg 5.88% 45.49%
xyz-d650.06 0.05 0.25
oklch0.3705 0.1456 262.24
oklab0.3705 -0.02 -0.14
CMYK
89.21% 59.71% 0% 45.49%
89.2159.71045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.25
0.060.050.25XYZ
X
Y
Z
OKLCH
0.3705 0.1456 262.24
0.37050.1456262.24LCH
Lightness
Chroma
Hue
OKLAB
0.3705 -0.02 -0.14
0.3705-0.02-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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