Chathams Blue

#15506B

General Information about Chathams Blue

The color #15506B, known as Chathams Blue, is a dark, desaturated shade of blue. It is named after the Chatham Islands, a remote archipelago east of New Zealand. This hex code represents a specific point in the color spectrum, indicating a precise combination of red, green, and blue light in the RGB color model. In the CMYK color model, used for printing, it corresponds to a different set of values representing cyan, magenta, yellow, and black inks. Chathams Blue exudes a sense of calmness and stability, often associated with trustworthiness and sophistication. It is commonly used in various design applications, ranging from web design to interior decoration, where its subtle depth can add a touch of elegance. Its hexadecimal nature allows for easy and precise use across digital platforms.

The hex color #15506B, also known as Chathams Blue, presents some accessibility considerations, particularly in web design. When used as a foreground color for text, it requires careful selection of a contrasting background color to ensure readability. According to WCAG (Web Content Accessibility Guidelines), sufficient contrast is essential for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using online contrast checker tools can help determine if the combination of #15506B with another color meets these standards. It's advisable to avoid pairing it with similar dark shades, as this would reduce contrast and make the text difficult to read. Consider using lighter shades of yellow, white, or light gray as background colors. Additionally, it is important to consider users with color vision deficiencies; therefore, relying solely on color to convey information should be avoided.

Shades

Digital Color Formats

RGB
21 80 107
RGB21 80 107
Red
Green
Blue
HSL
198.84deg 67.19% 25.1%
198.8467.1925.1HSL
Hue
Saturation
Lightness
HWB
198.84deg 8.24% 58.04%
198.848.2458.04HWB
Hue
Whiteness
Blackness
hex#15506B
rgb21 80 107
hsl198.84deg 67.19% 25.1%
cmyk80.37% 25.23% 0% 58.04%
hwb198.84deg 8.24% 58.04%
xyz-d650.06 0.07 0.15
oklch0.4075 0.0738 232.99
oklab0.4075 -0.04 -0.06
CMYK
80.37% 25.23% 0% 58.04%
80.3725.23058.04CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.07 0.15
0.060.070.15XYZ
X
Y
Z
OKLCH
0.4075 0.0738 232.99
0.40750.0738232.99LCH
Lightness
Chroma
Hue
OKLAB
0.4075 -0.04 -0.06
0.4075-0.04-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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