Chathams Blue

#1C4B7F

General Information about #1C4B7F

The hex color #1C4B7F, also known as Chathams Blue, 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, efficiency, and serenity. In the RGB color model, #1C4B7F is composed of 11% red, 29.4% green, and 49.8% blue. Its CMYK values are 78% cyan, 40% magenta, 0% yellow, and 50% black. This color is widely used in various applications, including web design, graphic design, and interior design, to create a sense of professionalism and sophistication. Its versatility allows it to be paired effectively with a range of colors to achieve different aesthetic effects. Understanding the properties of #1C4B7F helps designers make informed decisions to create visually appealing and engaging designs.

The color #1C4B7F, also known as Chathams Blue, presents moderate accessibility challenges. Its relatively dark hue necessitates careful consideration of contrast ratios, especially for text and interactive elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text against its background. When using #1C4B7F as a background, ensure that the foreground text is a light color, such as white or a very pale yellow, to meet these contrast requirements. Tools are available to check color contrast ratios and confirm compliance with accessibility standards. Also, consider users with visual impairments who may have difficulty distinguishing between colors with low contrast. Providing alternative cues, such as icons or text labels, can improve usability for all users. It's essential to test color combinations on various screens and devices to ensure optimal readability.

Shades

Digital Color Formats

RGB
28 75 127
RGB28 75 127
Red
Green
Blue
HSL
211.52deg 63.87% 30.39%
211.5263.8730.39HSL
Hue
Saturation
Lightness
HWB
211.52deg 10.98% 50.2%
211.5210.9850.2HWB
Hue
Whiteness
Blackness
hex#1C4B7F
rgb28 75 127
hsl211.52deg 63.87% 30.39%
cmyk77.95% 40.94% 0% 50.2%
hwb211.52deg 10.98% 50.2%
xyz-d650.07 0.07 0.21
oklch0.409 0.1011 253.45
oklab0.409 -0.03 -0.1
CMYK
77.95% 40.94% 0% 50.2%
77.9540.94050.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.21
0.070.070.21XYZ
X
Y
Z
OKLCH
0.409 0.1011 253.45
0.4090.1011253.45LCH
Lightness
Chroma
Hue
OKLAB
0.409 -0.03 -0.1
0.409-0.03-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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