Chathams Blue

#1C4D7F

General Information about #1C4D7F

The hex color #1C4D7F, also known as Chathams Blue, is a deep, muted shade of blue often associated with feelings of tranquility, stability, and professionalism. It belongs to the blue color family and carries a sense of sophistication and calmness. In the RGB color model, it is composed of 11.0% red, 30.2% green, and 49.8% blue. The corresponding CMYK color code is 78% cyan, 39% magenta, 0% yellow, and 50% black. This color is frequently used in corporate branding, web design, and interior design to evoke trust and reliability. Its subtle depth makes it a versatile choice for backgrounds, text, and graphical elements. The color is named after the Chathams Islands, suggesting a connection to oceanic or maritime themes.

The color #1C4D7F, also known as Chathams Blue, presents some accessibility considerations. Its relatively dark hue results in a moderate contrast ratio against a white background. While it might be acceptable for larger text or graphical elements, it may not meet WCAG's AA or AAA standards for smaller text sizes. When using this color, it's crucial to ensure sufficient contrast, especially for users with visual impairments. Consider pairing it with lighter shades of yellow, white, or even a brighter analogous color to improve readability and overall accessibility. Always test color combinations with accessibility evaluation tools to verify compliance with accessibility guidelines. Another approach would be to add a thin white or light-colored text shadow, which increases the legibility of text on the dark background.

Shades

Digital Color Formats

RGB
28 77 127
RGB28 77 127
Red
Green
Blue
HSL
210.3deg 63.87% 30.39%
210.363.8730.39HSL
Hue
Saturation
Lightness
HWB
210.3deg 10.98% 50.2%
210.310.9850.2HWB
Hue
Whiteness
Blackness
hex#1C4D7F
rgb28 77 127
hsl210.3deg 63.87% 30.39%
cmyk77.95% 39.37% 0% 50.2%
hwb210.3deg 10.98% 50.2%
xyz-d650.07 0.07 0.21
oklch0.4139 0.0988 251.87
oklab0.4139 -0.03 -0.09
CMYK
77.95% 39.37% 0% 50.2%
77.9539.37050.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.21
0.070.070.21XYZ
X
Y
Z
OKLCH
0.4139 0.0988 251.87
0.41390.0988251.87LCH
Lightness
Chroma
Hue
OKLAB
0.4139 -0.03 -0.09
0.4139-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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