Chathams Blue

#1A5381

General Information about Chathams Blue

Chathams Blue, identified by the hexadecimal color code #1A5381, is a dark, muted shade of blue. It belongs to the broader family of blue hues, known for their association with calmness, stability, and trust. This particular shade evokes a sense of sophistication and depth, making it a popular choice in various design applications. In the RGB color model, #1A5381 is composed of 10.2% red, 32.5% green, and 50.6% blue. In the CMYK color model, it consists of 80% cyan, 36% magenta, 0% yellow, and 49% black. The color is named after the Chatham Islands, suggesting a connection to the sea and maritime environments. Its hex code translates to a specific combination of light wavelengths that our eyes perceive as this unique blue tone. Chathams Blue offers a versatile palette for creating visually appealing designs.

The color #1A5381, also known as Chathams Blue, presents certain accessibility considerations for web development. Its relatively dark hue, with an approximate luminance of 0.14, means that it requires careful pairing with contrasting colors to ensure readability and usability. When used as a background color, it's essential to use light-colored text, such as white or very light grays, to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When using this color for text, ensure that the background is significantly lighter to provide sufficient contrast. Moreover, avoid using this color for critical interactive elements without clear visual cues, as users with low vision may struggle to distinguish them. Always test color combinations with accessibility tools to verify compliance with accessibility standards and provide an inclusive user experience.

Shades

Digital Color Formats

RGB
26 83 129
RGB26 83 129
Red
Green
Blue
HSL
206.8deg 66.45% 30.39%
206.866.4530.39HSL
Hue
Saturation
Lightness
HWB
206.8deg 10.2% 49.41%
206.810.249.41HWB
Hue
Whiteness
Blackness
hex#1A5381
rgb26 83 129
hsl206.8deg 66.45% 30.39%
cmyk79.84% 35.66% 0% 49.41%
hwb206.8deg 10.2% 49.41%
xyz-d650.07 0.08 0.22
oklch0.4295 0.0959 247.15
oklab0.4295 -0.04 -0.09
CMYK
79.84% 35.66% 0% 49.41%
79.8435.66049.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.08 0.22
0.070.080.22XYZ
X
Y
Z
OKLCH
0.4295 0.0959 247.15
0.42950.0959247.15LCH
Lightness
Chroma
Hue
OKLAB
0.4295 -0.04 -0.09
0.4295-0.04-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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