Chathams Blue

#1D487E

General Information about Chathams Blue

Chathams Blue, with the hexadecimal code #1D487E, is a dark, muted shade of blue that evokes feelings of calmness, stability, and trustworthiness. It belongs to the blue color family, which is often associated with intelligence, serenity, and efficiency. In the RGB color model, it is composed of 11.4% red, 28.2% green, and 49.4% blue. In the CMYK color model, used for printing, it consists of 77% cyan, 43% magenta, 0% yellow, and 51% black. This color is well-suited for applications where a sense of reliability and composure is desired. It is named after the Chatham Islands, a remote archipelago east of New Zealand, reflecting its association with the sea and distant horizons. The color's depth and richness make it a versatile choice for various design contexts.

The color #1D487E, also known as Chathams Blue, presents moderate accessibility challenges. Its contrast ratio against white text is relatively low, which could make it difficult for users with visual impairments to read text displayed in this color. A minimum contrast ratio of 4.5:1 is recommended for normal text and 3:1 for large text to comply with WCAG (Web Content Accessibility Guidelines). Using a lighter text color, such as white or a very pale yellow, can help improve readability. Additionally, consider providing alternative ways to convey information, such as icons or descriptive labels, to ensure inclusivity. When using this color as a background, ensure that interactive elements have clear visual cues to aid users in identifying clickable areas. Thorough testing with accessibility tools and real users is crucial to ensure optimal user experience.

Shades

Digital Color Formats

RGB
29 72 126
RGB29 72 126
Red
Green
Blue
HSL
213.4deg 62.58% 30.39%
213.462.5830.39HSL
Hue
Saturation
Lightness
HWB
213.4deg 11.37% 50.59%
213.411.3750.59HWB
Hue
Whiteness
Blackness
hex#1D487E
rgb29 72 126
hsl213.4deg 62.58% 30.39%
cmyk76.98% 42.86% 0% 50.59%
hwb213.4deg 11.37% 50.59%
xyz-d650.07 0.06 0.21
oklch0.4014 0.1028 255.67
oklab0.4014 -0.03 -0.1
CMYK
76.98% 42.86% 0% 50.59%
76.9842.86050.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.06 0.21
0.070.060.21XYZ
X
Y
Z
OKLCH
0.4014 0.1028 255.67
0.40140.1028255.67LCH
Lightness
Chroma
Hue
OKLAB
0.4014 -0.03 -0.1
0.4014-0.03-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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