Chathams Blue

#1D527E

General Information about Chathams Blue

The hexadecimal color #1d527e, commonly known as Chathams Blue, is a dark shade of cyan-blue. It is composed of 11.4% red, 32.2% green, and 49.4% blue. In the RGB color model, #1d527e has the decimal values of 29 for red, 82 for green, and 126 for blue. In the CMYK color model, it consists of 76.19% cyan, 34.92% magenta, 0% yellow and 50.59% black. This color evokes feelings of calmness, stability, and trustworthiness, making it a popular choice in various design contexts. Its relatively low saturation contributes to its subtle and understated appearance. Chathams Blue is often used in corporate branding, web design, and interior decorating to convey a sense of professionalism and reliability. Its dark hue makes it suitable for creating contrast with lighter colors, enhancing readability and visual appeal.

The hex color #1d527e, also known as Chathams Blue, presents moderate accessibility challenges. Its relatively low luminance value of 0.13 necessitates careful consideration when pairing it with text or other interactive elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text against a background. To ensure readability and usability, especially for users with visual impairments, it is advisable to use #1d527e with light colors such as white (#ffffff) or very light grays. Using darker colors with this blue may not provide sufficient contrast and should be avoided. Testing color combinations using accessibility tools is highly recommended to verify compliance with accessibility standards and ensure an inclusive user experience.

Shades

Digital Color Formats

RGB
29 82 126
RGB29 82 126
Red
Green
Blue
HSL
207.22deg 62.58% 30.39%
207.2262.5830.39HSL
Hue
Saturation
Lightness
HWB
207.22deg 11.37% 50.59%
207.2211.3750.59HWB
Hue
Whiteness
Blackness
hex#1D527E
rgb29 82 126
hsl207.22deg 62.58% 30.39%
cmyk76.98% 34.92% 0% 50.59%
hwb207.22deg 11.37% 50.59%
xyz-d650.07 0.08 0.21
oklch0.4261 0.0919 247.33
oklab0.4261 -0.04 -0.08
CMYK
76.98% 34.92% 0% 50.59%
76.9834.92050.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.08 0.21
0.070.080.21XYZ
X
Y
Z
OKLCH
0.4261 0.0919 247.33
0.42610.0919247.33LCH
Lightness
Chroma
Hue
OKLAB
0.4261 -0.04 -0.08
0.4261-0.04-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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