Chathams Blue

#1B4579

General Information about Chathams Blue

The hex color #1B4579, also known as Chathams Blue, is a dark, muted shade of blue. It falls within the blue color family and exhibits a sophisticated and calming presence. In the RGB color model, it is composed of 10.6% red, 27.1% green, and 47.5% blue. The CMYK color model representation is 77.6% cyan, 42.9% magenta, 0% yellow, and 52.5% black. This color evokes feelings of trust, stability, and professionalism, making it a popular choice for various applications. Named after the Chathams Islands, known for their distinct blue waters, this color is often associated with depth, serenity, and reliability. Its hex code makes it easy to use in digital design projects.

The hex color #1B4579, also known as Chathams Blue, presents several accessibility considerations, particularly in web design. Its relatively dark hue means that careful attention must be paid to contrast ratios when used for text or interactive elements. According to WCAG guidelines, sufficient contrast between foreground and background colors is crucial for readability, especially for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #1B4579 as a background, lighter text colors like white or pale yellow are preferable. Conversely, using it as a text color necessitates a very light background. It's essential to test color combinations using accessibility evaluation tools to ensure compliance with accessibility standards, promoting inclusivity for all users.

Shades

Digital Color Formats

RGB
27 69 121
RGB27 69 121
Red
Green
Blue
HSL
213.19deg 63.51% 29.02%
213.1963.5129.02HSL
Hue
Saturation
Lightness
HWB
213.19deg 10.59% 52.55%
213.1910.5952.55HWB
Hue
Whiteness
Blackness
hex#1B4579
rgb27 69 121
hsl213.19deg 63.51% 29.02%
cmyk77.69% 42.98% 0% 52.55%
hwb213.19deg 10.59% 52.55%
xyz-d650.06 0.06 0.19
oklch0.3899 0.1 255.45
oklab0.3899 -0.03 -0.1
CMYK
77.69% 42.98% 0% 52.55%
77.6942.98052.55CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.19
0.060.060.19XYZ
X
Y
Z
OKLCH
0.3899 0.1 255.45
0.38990.1255.45LCH
Lightness
Chroma
Hue
OKLAB
0.3899 -0.03 -0.1
0.3899-0.03-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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