Chathams Blue

#1F4979

General Information about Chathams Blue

The hex color #1F4979, also known as Chathams Blue, is a dark shade of blue that evokes feelings of trust, stability, and professionalism. It belongs to the blue color family, which is often associated with calmness, intelligence, and reliability. In the RGB color model, #1F4979 consists of 12.2% red, 28.6% green, and 47.5% blue. In the CMYK color model, it is composed of 74% cyan, 40% magenta, 0% yellow, and 53% black. This color is often used in corporate branding, web design, and interior design to convey a sense of confidence and authority. Its depth and richness make it a versatile choice for various applications, providing a sense of depth and sophistication.

The hex color #1F4979, also known as Chathams Blue, presents specific accessibility considerations. Its relatively dark hue means it requires careful pairing with lighter colors to ensure sufficient contrast for readability, especially in text. 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 #1F4979 for text, a light color like #FFFFFF (white) or a very pale yellow will provide adequate contrast. For backgrounds, lighter shades of grey or pastel colors can offer a visually pleasing and accessible design. Always test color combinations with accessibility tools to verify compliance with accessibility standards. In addition, consider providing alternative styling options for users with visual impairments.

Shades

Digital Color Formats

RGB
31 73 121
RGB31 73 121
Red
Green
Blue
HSL
212deg 59.21% 29.8%
21259.2129.8HSL
Hue
Saturation
Lightness
HWB
212deg 12.16% 52.55%
21212.1652.55HWB
Hue
Whiteness
Blackness
hex#1F4979
rgb31 73 121
hsl212deg 59.21% 29.8%
cmyk74.38% 39.67% 0% 52.55%
hwb212deg 12.16% 52.55%
xyz-d650.06 0.06 0.19
oklch0.4012 0.0938 253.72
oklab0.4012 -0.03 -0.09
CMYK
74.38% 39.67% 0% 52.55%
74.3839.67052.55CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.19
0.060.060.19XYZ
X
Y
Z
OKLCH
0.4012 0.0938 253.72
0.40120.0938253.72LCH
Lightness
Chroma
Hue
OKLAB
0.4012 -0.03 -0.09
0.4012-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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