Chathams Blue

#18517F

General Information about Chathams Blue

Chathams Blue, represented by the hexadecimal color code #18517F, is a dark, muted shade of blue that evokes feelings of calmness, stability, and sophistication. It belongs to the blue color family and carries a subtle hint of grayness, giving it a somewhat understated and refined appearance. In the RGB color model, #18517F is composed of 9.41% red, 31.76% green, and 49.8% blue. This composition results in a color that is significantly biased towards the blue end of the spectrum, with the relatively low red value contributing to its coolness. The CMYK values are 0.81, 0.36, 0.00, 0.50, indicating a high proportion of cyan and a moderate amount of magenta, with minimal yellow. This color is often associated with trustworthiness and can be used in various design applications to convey a sense of reliability and professionalism.

The hex color #18517F, also known as Chathams Blue, presents some accessibility considerations, particularly for text and interactive elements. Its relatively low lightness value indicates that it is a dark color, necessitating careful pairing with contrasting colors to ensure readability and usability. When used as a background color, it should be combined with light text (white or very pale shades) to meet WCAG (Web Content Accessibility Guidelines) standards for color contrast. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text (14pt bold or 18pt regular). For interactive elements like buttons or links, sufficient contrast is crucial to help users easily identify and understand them. Designers should use color contrast checking tools to verify compliance with accessibility standards, ensuring that the visual presentation does not hinder users with visual impairments or color vision deficiencies from accessing the content effectively. Additionally, it's good practice to provide alternative visual cues, such as underlines for links, to complement color distinctions and further enhance accessibility.

Shades

Digital Color Formats

RGB
24 81 127
RGB24 81 127
Red
Green
Blue
HSL
206.8deg 68.21% 29.61%
206.868.2129.61HSL
Hue
Saturation
Lightness
HWB
206.8deg 9.41% 50.2%
206.89.4150.2HWB
Hue
Whiteness
Blackness
hex#18517F
rgb24 81 127
hsl206.8deg 68.21% 29.61%
cmyk81.1% 36.22% 0% 50.2%
hwb206.8deg 9.41% 50.2%
xyz-d650.07 0.08 0.21
oklch0.4227 0.096 247.33
oklab0.4227 -0.04 -0.09
CMYK
81.1% 36.22% 0% 50.2%
81.136.22050.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.08 0.21
0.070.080.21XYZ
X
Y
Z
OKLCH
0.4227 0.096 247.33
0.42270.096247.33LCH
Lightness
Chroma
Hue
OKLAB
0.4227 -0.04 -0.09
0.4227-0.04-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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