Chathams Blue

#1B517C

General Information about Chathams Blue

Chathams Blue, represented by the hexadecimal color code #1B517C, is a dark shade of blue with a touch of green. It belongs to the family of blue colors, known for their association with calmness, stability, and trustworthiness. In the RGB color model, it consists of 10.6% red, 31.8% green, and 48.6% blue. In the CMYK color model, which is used for printing, its composition is 78% cyan, 35% magenta, 0% yellow, and 51% black. This color is often used in corporate branding, website design, and interior decoration to convey professionalism and reliability. Its depth and richness make it suitable for creating a sophisticated and elegant atmosphere. This color can be perceived differently based on its context and the colors it's paired with, so careful consideration should be given to its usage.

The color #1B517C, also known as Chathams Blue, presents some accessibility considerations for web developers. Its relatively dark hue means that careful attention must be paid to color contrast, especially when used as a background or for text. According to WCAG guidelines, sufficient contrast between text and background is crucial for readability, particularly for users with visual impairments. A light text color, such as white (#FFFFFF) or a very pale yellow, would be necessary to achieve a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. It is recommended to use contrast checking tools to ensure compliance. Avoid pairing this color with other dark shades, as this can lead to poor readability and accessibility issues. Thoughtful implementation and testing are key to making content accessible to a wider audience.

Shades

Digital Color Formats

RGB
27 81 124
RGB27 81 124
Red
Green
Blue
HSL
206.6deg 64.24% 29.61%
206.664.2429.61HSL
Hue
Saturation
Lightness
HWB
206.6deg 10.59% 51.37%
206.610.5951.37HWB
Hue
Whiteness
Blackness
hex#1B517C
rgb27 81 124
hsl206.6deg 64.24% 29.61%
cmyk78.23% 34.68% 0% 51.37%
hwb206.6deg 10.59% 51.37%
xyz-d650.07 0.08 0.2
oklch0.4217 0.091 246.54
oklab0.4217 -0.04 -0.08
CMYK
78.23% 34.68% 0% 51.37%
78.2334.68051.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.08 0.2
0.070.080.2XYZ
X
Y
Z
OKLCH
0.4217 0.091 246.54
0.42170.091246.54LCH
Lightness
Chroma
Hue
OKLAB
0.4217 -0.04 -0.08
0.4217-0.04-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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