Chathams Blue

#204D78

General Information about Chathams Blue

Chathams Blue, represented by the hexadecimal color code #204D78, is a dark, muted shade of blue. It is named after the Chatham Islands, a remote archipelago in the Pacific Ocean known for their unique environment. In the RGB color model, #204D78 consists of 12.55% red, 30.2% green, and 47.06% blue. In the CMYK color model, it comprises 73.4% cyan, 35.8% magenta, 0% yellow, and 52.9% black. This color evokes feelings of tranquility, stability, and depth, often associated with the ocean or night sky. Due to its muted nature, it is considered a sophisticated and versatile color suitable for various applications, from web design to interior decor. It's also known for being a cool color, often conveying a sense of calmness and professionalism.

The color #204D78, also known as Chathams Blue, presents some accessibility challenges, especially when used as a background or text color. Its relatively low luminance value of approximately 0.15 means it requires careful consideration of contrast ratios. According to WCAG (Web Content Accessibility Guidelines), sufficient contrast is essential for users with visual impairments to perceive content effectively. To ensure accessibility, it's crucial to pair this color with a light foreground color, such as white or a very pale yellow. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Tools like contrast checkers can help verify compliance. Avoid using #204D78 for small, critical elements or when users need to quickly scan information, as its darker nature may reduce readability and cause eye strain for some individuals. Thorough testing with diverse user groups is always advisable.

Shades

Digital Color Formats

RGB
32 77 120
RGB32 77 120
Red
Green
Blue
HSL
209.32deg 57.89% 29.8%
209.3257.8929.8HSL
Hue
Saturation
Lightness
HWB
209.32deg 12.55% 52.94%
209.3212.5552.94HWB
Hue
Whiteness
Blackness
hex#204D78
rgb32 77 120
hsl209.32deg 57.89% 29.8%
cmyk73.33% 35.83% 0% 52.94%
hwb209.32deg 12.55% 52.94%
xyz-d650.07 0.07 0.19
oklch0.4109 0.0876 249.95
oklab0.4109 -0.03 -0.08
CMYK
73.33% 35.83% 0% 52.94%
73.3335.83052.94CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.19
0.070.070.19XYZ
X
Y
Z
OKLCH
0.4109 0.0876 249.95
0.41090.0876249.95LCH
Lightness
Chroma
Hue
OKLAB
0.4109 -0.03 -0.08
0.4109-0.03-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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