Chathams Blue

#18447F

General Information about Chathams Blue

The hexadecimal color code #18447F, also known as Chathams Blue, is a dark, muted shade of blue. It is composed of 9.41% red, 26.67% green, and 49.8% blue. In the RGB color model, this translates to 24 red, 68 green, and 127 blue. This color resides in the blue hue range, leaning towards the cooler end of the spectrum. Colors with similar characteristics are often associated with feelings of calmness, stability, and trustworthiness. In a subtractive color model like CMYK, #18447F consists of 81% cyan, 46% magenta, 0% yellow, and 50% black. This combination of components makes it a rich, deep blue suitable for various design applications.

The color #18447F, also known as Chathams Blue, presents some accessibility considerations for web design. Due to its relatively dark hue, it is crucial to ensure sufficient contrast when used as text against a background, or vice versa. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to meet AA compliance. Using a light color such as white, light yellow, or a very pale shade of blue as a background for text in #18447F can significantly improve readability. When used for interactive elements like buttons or links, it's important to provide clear visual cues, such as a change in color or a distinct border, upon hover or focus to aid users with visual impairments or those navigating with assistive technologies. Employing color contrast checker tools is highly recommended to validate the compliance of your design choices and ensure an inclusive user experience.

Shades

Digital Color Formats

RGB
24 68 127
RGB24 68 127
Red
Green
Blue
HSL
214.37deg 68.21% 29.61%
214.3768.2129.61HSL
Hue
Saturation
Lightness
HWB
214.37deg 9.41% 50.2%
214.379.4150.2HWB
Hue
Whiteness
Blackness
hex#18447F
rgb24 68 127
hsl214.37deg 68.21% 29.61%
cmyk81.1% 46.46% 0% 50.2%
hwb214.37deg 9.41% 50.2%
xyz-d650.06 0.06 0.21
oklch0.3906 0.1108 257.04
oklab0.3906 -0.02 -0.11
CMYK
81.1% 46.46% 0% 50.2%
81.146.46050.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.21
0.060.060.21XYZ
X
Y
Z
OKLCH
0.3906 0.1108 257.04
0.39060.1108257.04LCH
Lightness
Chroma
Hue
OKLAB
0.3906 -0.02 -0.11
0.3906-0.02-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons