Chathams Blue

#1E4D82

General Information about Chathams Blue

The hexadecimal color code #1E4D82, also referred to as Chathams Blue, is a dark shade of cyan-blue. It is composed of 11.76% red, 30.2% green, and 50.98% blue. In the RGB color model, it's represented as (30, 77, 130). The corresponding CMYK color code is (76.92, 40.77, 0.0, 49.02). This color leans towards the cooler end of the spectrum, lending a sense of calmness and serenity. Chathams Blue is often associated with professionalism, trustworthiness, and stability, making it a popular choice in corporate branding and design. Its depth and richness make it versatile for a range of applications, from web design to interior decor. The color's nuanced character allows it to pair effectively with various shades, enhancing its overall appeal.

The color #1E4D82, also known as Chathams Blue, presents some accessibility challenges, particularly when used as text against a white background. Its relatively low luminance value of approximately 0.15 does not provide sufficient contrast, failing to meet WCAG (Web Content Accessibility Guidelines) AA standards for normal text (4.5:1 contrast ratio). This can make it difficult for users with visual impairments to read. To improve accessibility, consider using #1E4D82 for larger text elements (18pt or 14pt bold) where a contrast ratio of 3:1 is acceptable, or pair it with lighter background colors or as an accent color rather than a primary text color. Inverting the color scheme, using a light text color on a #1E4D82 background, also helps to drastically improve contrast and readability. Utilizing color contrast checking tools during the design process helps ensure that the selected color combinations meet accessibility guidelines, thereby enhancing the user experience for everyone.

Shades

Digital Color Formats

RGB
30 77 130
RGB30 77 130
Red
Green
Blue
HSL
211.8deg 62.5% 31.37%
211.862.531.37HSL
Hue
Saturation
Lightness
HWB
211.8deg 11.76% 49.02%
211.811.7649.02HWB
Hue
Whiteness
Blackness
hex#1E4D82
rgb30 77 130
hsl211.8deg 62.5% 31.37%
cmyk76.92% 40.77% 0% 49.02%
hwb211.8deg 11.76% 49.02%
xyz-d650.07 0.07 0.22
oklch0.4166 0.1023 253.73
oklab0.4166 -0.03 -0.1
CMYK
76.92% 40.77% 0% 49.02%
76.9240.77049.02CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.22
0.070.070.22XYZ
X
Y
Z
OKLCH
0.4166 0.1023 253.73
0.41660.1023253.73LCH
Lightness
Chroma
Hue
OKLAB
0.4166 -0.03 -0.1
0.4166-0.03-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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