Chathams Blue

#1F497A

General Information about Chathams Blue (#1F497A)

The hex color #1F497A, also known as Chathams Blue, is a dark shade of blue with a touch of green. It falls within the blue color family and is often associated with feelings of calmness, stability, and professionalism. In the RGB color model, it is composed of 12.2% red, 28.6% green, and 47.8% blue. The CMYK color model values are C:74, M:40, Y:0, K:52. This color is often used in corporate branding to convey trust and reliability. In web design, it can be an effective choice for backgrounds, headers, and other elements where a sense of authority and calmness is desired. Its subtle nature allows it to be paired with a wide range of other colors, making it a versatile choice for various design projects. Its use can be traced back to traditional uses of blue in heraldry and naval uniforms, symbolizing loyalty and steadfastness.

The color #1F497A, also known as Chathams Blue, presents some accessibility considerations for web developers. When used as a background color, it's essential to ensure sufficient contrast with the foreground text. A light text color, such as white or a very pale yellow, would generally be necessary to meet WCAG (Web Content Accessibility Guidelines) standards for readability. Tools like contrast checkers can help determine if the contrast ratio is adequate. Avoid pairing this dark blue with similarly dark colors, as this will reduce visibility and accessibility. Consider users with visual impairments or color blindness when choosing color combinations, ensuring information is conveyed effectively regardless of color perception. Using text sizes that are large enough or providing alternative styling options are other techniques to improve readability. Proper semantic HTML structure will allow users who rely on assistive technologies such as screen readers to still access the information even if the color contrast is poor.

Shades

Digital Color Formats

RGB
31 73 122
RGB31 73 122
Red
Green
Blue
HSL
212.31deg 59.48% 30%
212.3159.4830HSL
Hue
Saturation
Lightness
HWB
212.31deg 12.16% 52.16%
212.3112.1652.16HWB
Hue
Whiteness
Blackness
hex#1F497A
rgb31 73 122
hsl212.31deg 59.48% 30%
cmyk74.59% 40.16% 0% 52.16%
hwb212.31deg 12.16% 52.16%
xyz-d650.06 0.06 0.19
oklch0.4019 0.0952 254.14
oklab0.4019 -0.03 -0.09
CMYK
74.59% 40.16% 0% 52.16%
74.5940.16052.16CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.19
0.060.060.19XYZ
X
Y
Z
OKLCH
0.4019 0.0952 254.14
0.40190.0952254.14LCH
Lightness
Chroma
Hue
OKLAB
0.4019 -0.03 -0.09
0.4019-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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