Chathams Blue

#1A4D8A

General Information about Chathams Blue (#1A4D8A)

The hexadecimal color code #1A4D8A represents a shade of dark blue, often referred to as Chathams Blue. In the RGB color model, it is composed of 10.2% red, 30.2% green, and 54.1% blue. When represented in the CMYK color model, which is used for printing, it consists of 81% cyan, 44% magenta, 0% yellow, and 46% black. This indicates that the color is primarily composed of cyan and magenta inks, with a significant amount of black added to darken the shade. Chathams Blue is often associated with feelings of calmness, trust, and stability, making it a popular choice for branding and design elements aiming to convey professionalism and reliability. Its specific hue places it within the cooler spectrum of blues, lending it a sophisticated and somewhat reserved character.

The color #1A4D8A, also known as Chathams Blue, presents some accessibility considerations for web developers. Its relatively dark hue means that sufficient contrast is crucial when pairing it with text or other interface elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text (14pt bold or 18pt regular) to ensure readability for users with visual impairments. When using #1A4D8A as a background color, lighter shades of yellow, white, or green can provide adequate contrast. Conversely, if #1A4D8A is used for text, a very light background is necessary. Tools like contrast checkers can help developers verify compliance with accessibility standards, ensuring that content is usable by a wider audience, including those with low vision or color blindness. Careful attention to color combinations significantly enhances the user experience and promotes inclusivity.

Shades

Digital Color Formats

RGB
26 77 138
RGB26 77 138
Red
Green
Blue
HSL
212.68deg 68.29% 32.16%
212.6868.2932.16HSL
Hue
Saturation
Lightness
HWB
212.68deg 10.2% 45.88%
212.6810.245.88HWB
Hue
Whiteness
Blackness
hex#1A4D8A
rgb26 77 138
hsl212.68deg 68.29% 32.16%
cmyk81.16% 44.2% 0% 45.88%
hwb212.68deg 10.2% 45.88%
xyz-d650.08 0.07 0.25
oklch0.4207 0.1148 255.23
oklab0.4207 -0.03 -0.11
CMYK
81.16% 44.2% 0% 45.88%
81.1644.2045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.07 0.25
0.080.070.25XYZ
X
Y
Z
OKLCH
0.4207 0.1148 255.23
0.42070.1148255.23LCH
Lightness
Chroma
Hue
OKLAB
0.4207 -0.03 -0.11
0.4207-0.03-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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