Chathams Blue

#1B4C7C

General Information

Chathams Blue, represented by the hexadecimal color code #1B4C7C, is a deep and calming shade of blue. It belongs to the family of blue colors and is often associated with feelings of trust, stability, and professionalism. In the RGB color model, it is composed of 10.6% red, 29.8% green, and 48.6% blue. This particular shade of blue is named after the Chatham Islands, a remote archipelago in the Pacific Ocean, known for its rugged beauty and tranquil atmosphere. The color evokes a sense of depth and sophistication, making it a popular choice in various design applications, ranging from web development to interior design. Its relatively low saturation and luminance contribute to its understated elegance and versatility, allowing it to be easily combined with other colors.

The hex color #1B4C7C, also known as Chathams Blue, presents specific accessibility considerations for web developers. Its relatively dark hue means it needs to be paired with a light color for text or interactive elements to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using a color contrast checker is crucial to verify compliance. When used as a background, light-colored text such as white or very light gray would be suitable. Avoid pairing it with other dark colors, as this would render content illegible for users, especially those with visual impairments. Also, it's beneficial to consider color blindness when selecting color pairings. This particular shade of blue should be tested with tools that simulate different types of color blindness to confirm that critical information remains distinguishable.

Shades

Digital Color Formats

RGB
27 76 124
RGB27 76 124
Red
Green
Blue
HSL
209.69deg 64.24% 29.61%
209.6964.2429.61HSL
Hue
Saturation
Lightness
HWB
209.69deg 10.59% 51.37%
209.6910.5951.37HWB
Hue
Whiteness
Blackness
hex#1B4C7C
rgb27 76 124
hsl209.69deg 64.24% 29.61%
cmyk78.23% 38.71% 0% 51.37%
hwb209.69deg 10.59% 51.37%
xyz-d650.07 0.07 0.2
oklch0.4092 0.0962 251.06
oklab0.4092 -0.03 -0.09
CMYK
78.23% 38.71% 0% 51.37%
78.2338.71051.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.2
0.070.070.2XYZ
X
Y
Z
OKLCH
0.4092 0.0962 251.06
0.40920.0962251.06LCH
Lightness
Chroma
Hue
OKLAB
0.4092 -0.03 -0.09
0.4092-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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