Chathams Blue

#1D4A7B

General Information about Chathams Blue

Chathams Blue, represented by the hexadecimal color code #1d4a7b, is a dark, muted shade of blue that evokes feelings of calmness, trust, and sophistication. It belongs to the blue color family and is often associated with stability and reliability. In the RGB color model, #1d4a7b consists of 11.4% red, 28.9% green, and 48.2% blue. This color is frequently used in graphic design and web development to create a sense of professionalism and tranquility. It is named after the Chathams Islands, a remote archipelago east of New Zealand, possibly reflecting the color's association with the sea and distant horizons. Its versatility makes it suitable for various applications, ranging from corporate branding to calming user interfaces.

The hex color #1d4a7b, also known as Chathams Blue, presents some accessibility considerations for web development. Its relatively dark hue means that it requires careful pairing with text and other interface elements to ensure sufficient contrast. 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 ensure readability for users with visual impairments. When using #1d4a7b as a background color, it's crucial to use light foreground colors like white (#ffffff) or very light yellows or greens to meet these contrast requirements. Also, avoid using this color for essential visual information like links or buttons without proper text labels. A good practice is to test the contrast ratio using online tools to verify compliance with accessibility standards, promoting an inclusive user experience.

Shades

Digital Color Formats

RGB
29 74 123
RGB29 74 123
Red
Green
Blue
HSL
211.28deg 61.84% 29.8%
211.2861.8429.8HSL
Hue
Saturation
Lightness
HWB
211.28deg 11.37% 51.76%
211.2811.3751.76HWB
Hue
Whiteness
Blackness
hex#1D4A7B
rgb29 74 123
hsl211.28deg 61.84% 29.8%
cmyk76.42% 39.84% 0% 51.76%
hwb211.28deg 11.37% 51.76%
xyz-d650.07 0.07 0.2
oklch0.4042 0.0963 252.97
oklab0.4042 -0.03 -0.09
CMYK
76.42% 39.84% 0% 51.76%
76.4239.84051.76CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.2
0.070.070.2XYZ
X
Y
Z
OKLCH
0.4042 0.0963 252.97
0.40420.0963252.97LCH
Lightness
Chroma
Hue
OKLAB
0.4042 -0.03 -0.09
0.4042-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons