Chathams Blue

#1F4B79

General Information about Chathams Blue

The hex color #1F4B79, also known as Chathams Blue, is a dark shade of blue with a subtle depth. It falls under the category of blue hues and is often associated with feelings of calmness, stability, and professionalism. In the RGB color model, it consists of 1F red, 4B green, and 79 blue. The hexadecimal code translates to 31 in decimal for red, 75 for green, and 121 for blue. This particular shade of blue is commonly used in corporate branding, web design, and interior design to evoke trust and reliability. Its low saturation gives it a muted appearance, making it versatile and easy to pair with other colors. Chathams Blue is a popular choice when a subtle yet impactful color is desired.

The color #1F4B79, also known as Chathams Blue, presents moderate accessibility challenges. Its luminance is relatively low, meaning that text rendered in this color may not provide sufficient contrast against a white background, potentially failing WCAG AA standards for normal text. Using a white text on this background may be acceptable, but is not advised due to the low contrast. For optimal readability, especially for users with visual impairments, it is crucial to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Web developers should use contrast checking tools to verify compliance. Consider using lighter shades of blues or yellows for foreground elements to enhance visibility and meet accessibility guidelines. Also avoid using this color as a background for data visualizations where distinguishing between different color shades is important.

Shades

Digital Color Formats

RGB
31 75 121
RGB31 75 121
Red
Green
Blue
HSL
210.67deg 59.21% 29.8%
210.6759.2129.8HSL
Hue
Saturation
Lightness
HWB
210.67deg 12.16% 52.55%
210.6712.1652.55HWB
Hue
Whiteness
Blackness
hex#1F4B79
rgb31 75 121
hsl210.67deg 59.21% 29.8%
cmyk74.38% 38.02% 0% 52.55%
hwb210.67deg 12.16% 52.55%
xyz-d650.07 0.07 0.19
oklch0.4062 0.0916 251.95
oklab0.4062 -0.03 -0.09
CMYK
74.38% 38.02% 0% 52.55%
74.3838.02052.55CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.19
0.070.070.19XYZ
X
Y
Z
OKLCH
0.4062 0.0916 251.95
0.40620.0916251.95LCH
Lightness
Chroma
Hue
OKLAB
0.4062 -0.03 -0.09
0.4062-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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