Chathams Blue

#154F83

General Information about Chathams Blue

The hexadecimal color code #154F83 represents a specific shade of blue, often referred to as "Chathams Blue". It is composed of 8.24% red, 31% green, and 51.37% blue. In the RGB color model, this translates to 21 red, 79 green, and 131 blue. When represented in the CMYK color model, which is commonly used for printing, it consists of 84% cyan, 40% magenta, 0% yellow, and 49% black. This color is often associated with feelings of trust, stability, and intelligence, making it a popular choice for branding and design in various professional contexts. The wavelength of light most closely associated with this color falls within the blue spectrum, contributing to its calming and intellectual associations.

The color #154F83, also known as Chathams Blue, presents specific accessibility considerations for web development. Its relatively low luminance value (approximately 0.06) against a white background results in a contrast ratio of about 4.6:1. While this meets the WCAG 2.1 Level AA standard for normal text (4.5:1), it falls short of the Level AAA enhanced contrast requirement (7:1). Therefore, it's advisable to use this color for larger text elements or UI components where the visual impact is less critical. When used for smaller text, pairing it with a lighter background color or employing a text shadow can significantly improve readability and accessibility for users with visual impairments. It is crucial to test the color combination with accessibility evaluation tools to ensure compliance with web accessibility guidelines.

Shades

Digital Color Formats

RGB
21 79 131
RGB21 79 131
Red
Green
Blue
HSL
208.36deg 72.37% 29.8%
208.3672.3729.8HSL
Hue
Saturation
Lightness
HWB
208.36deg 8.24% 48.63%
208.368.2448.63HWB
Hue
Whiteness
Blackness
hex#154F83
rgb21 79 131
hsl208.36deg 72.37% 29.8%
cmyk83.97% 39.69% 0% 48.63%
hwb208.36deg 8.24% 48.63%
xyz-d650.07 0.07 0.23
oklch0.4194 0.1043 250.11
oklab0.4194 -0.04 -0.1
CMYK
83.97% 39.69% 0% 48.63%
83.9739.69048.63CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.23
0.070.070.23XYZ
X
Y
Z
OKLCH
0.4194 0.1043 250.11
0.41940.1043250.11LCH
Lightness
Chroma
Hue
OKLAB
0.4194 -0.04 -0.1
0.4194-0.04-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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