Chathams Blue

#1F4879

General Information about Chathams Blue

The hexadecimal color #1F4879, also known as Chathams Blue, is a dark shade of blue that evokes feelings of calmness, trust, and stability. It belongs to the blue color family and is often associated with professionalism and reliability. In the RGB color model, it is composed of 12.2% red, 28.24% green, and 47.45% blue. In the CMYK color model, it consists of 74.27% cyan, 40.46% magenta, 0% yellow, and 52.55% black. This color is commonly used in branding, web design, and other creative fields to convey a sense of security and authority. Its hexadecimal code provides a precise way to represent this color in digital applications, ensuring consistency across different platforms and devices. It is a popular color for corporations and institutions.

The color #1F4879, also known as Chathams Blue, presents some accessibility considerations for web developers. Its relatively dark hue means that it requires careful pairing with contrasting colors to ensure readability and usability, especially for users with visual impairments. According to WCAG guidelines, sufficient contrast between text and background is crucial. When using #1F4879 as a background, it's essential to use light-colored text, such as white or a very pale yellow, to meet the minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. Tools are available to check color contrast ratios to help ensure compliance. Avoid using this color for small text or essential UI elements if adequate contrast cannot be achieved. Providing alternative styling options for users, such as a high-contrast mode, can further enhance accessibility.

Shades

Digital Color Formats

RGB
31 72 121
RGB31 72 121
Red
Green
Blue
HSL
212.67deg 59.21% 29.8%
212.6759.2129.8HSL
Hue
Saturation
Lightness
HWB
212.67deg 12.16% 52.55%
212.6712.1652.55HWB
Hue
Whiteness
Blackness
hex#1F4879
rgb31 72 121
hsl212.67deg 59.21% 29.8%
cmyk74.38% 40.5% 0% 52.55%
hwb212.67deg 12.16% 52.55%
xyz-d650.06 0.06 0.19
oklch0.3988 0.095 254.57
oklab0.3988 -0.03 -0.09
CMYK
74.38% 40.5% 0% 52.55%
74.3840.5052.55CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.19
0.060.060.19XYZ
X
Y
Z
OKLCH
0.3988 0.095 254.57
0.39880.095254.57LCH
Lightness
Chroma
Hue
OKLAB
0.3988 -0.03 -0.09
0.3988-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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