Chathams Blue

#1A4D73

General Information about Chathams Blue

The hex color #1A4D73, also known as Chathams Blue, is a deep, muted shade of blue. In the RGB color model, it is composed of 10.2% red, 30.2% green, and 45.1% blue. Its CMYK values are 77% cyan, 33% magenta, 0% yellow, and 55% black. This color evokes feelings of calmness, trust, and stability, making it suitable for various design applications. It is often associated with professionalism, reliability, and serenity. The color name 'Chathams Blue' suggests a connection to marine or nautical themes, further enhancing its association with tranquility and depth. In color psychology, dark blues are often used to represent authority and expertise. The color is popular in web design, branding, and interior decoration for its ability to convey a sense of dependability and sophistication. It works very well in combination with neutral and light hues.

The hex color #1A4D73, also known as Chathams Blue, presents specific accessibility considerations for web developers. Its relatively low luminance requires careful attention to contrast ratios, particularly when used for text or interactive elements. According to WCAG guidelines, sufficient contrast between foreground and background colors is crucial for users with visual impairments. For normal text (size 14 points or 18 points bold), a contrast ratio of at least 4.5:1 is recommended. For large text (size 18 points or 14 points bold), the contrast ratio must be at least 3:1. Using #1A4D73 as a background color may necessitate lighter text colors to achieve these ratios. Tools like contrast checkers can help determine compliance. When using this color, developers should also consider providing alternative visual cues, such as icons or patterns, to ensure usability for all users. It is good practice to test color combinations with different users, preferably with visual impairments, to gather feedback and refine the design.

Shades

Digital Color Formats

RGB
26 77 115
RGB26 77 115
Red
Green
Blue
HSL
205.62deg 63.12% 27.65%
205.6263.1227.65HSL
Hue
Saturation
Lightness
HWB
205.62deg 10.2% 54.9%
205.6210.254.9HWB
Hue
Whiteness
Blackness
hex#1A4D73
rgb26 77 115
hsl205.62deg 63.12% 27.65%
cmyk77.39% 33.04% 0% 54.9%
hwb205.62deg 10.2% 54.9%
xyz-d650.06 0.07 0.17
oklch0.4057 0.0835 244.76
oklab0.4057 -0.04 -0.08
CMYK
77.39% 33.04% 0% 54.9%
77.3933.04054.9CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.07 0.17
0.060.070.17XYZ
X
Y
Z
OKLCH
0.4057 0.0835 244.76
0.40570.0835244.76LCH
Lightness
Chroma
Hue
OKLAB
0.4057 -0.04 -0.08
0.4057-0.04-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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