Chathams Blue

#1B4880

General Information about #1B4880

The hexadecimal color #1B4880, also known as Chathams Blue, is a dark shade of blue often associated with qualities such as trustworthiness, stability, and depth. In the RGB color model, it is composed of 10.59% red, 28.24% green, and 50.2% blue. This specific combination creates a muted yet rich blue tone. The color is often used in designs where a sense of calmness and reliability is desired. Its subtle nature makes it suitable for various applications, from corporate branding to interior design. The color is named 'Chathams Blue', possibly inspired by the Chatham Islands, hinting at its connection to oceanic and natural themes. Its versatility allows it to be paired with various colors, although it typically benefits from being contrasted with lighter hues to maintain visual balance.

The color #1B4880, also known as Chathams Blue, presents some accessibility challenges, particularly in scenarios involving text. Due to its relatively dark hue, it requires careful consideration of contrast ratios. When using this color for text, it is crucial to pair it with a light background to ensure sufficient contrast for readability, especially for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to comply with WCAG guidelines. Insufficient contrast can render text illegible, hindering accessibility. In user interface design, avoid using #1B4880 as a primary background color with light text, unless the text is significantly large or bold. Consider using it sparingly for decorative elements or accents to minimize potential accessibility issues. Testing with accessibility evaluation tools is highly recommended to validate color contrast and ensure compliance with accessibility standards, promoting inclusivity.

Shades

Digital Color Formats

RGB
27 72 128
RGB27 72 128
Red
Green
Blue
HSL
213.27deg 65.16% 30.39%
213.2765.1630.39HSL
Hue
Saturation
Lightness
HWB
213.27deg 10.59% 49.8%
213.2710.5949.8HWB
Hue
Whiteness
Blackness
hex#1B4880
rgb27 72 128
hsl213.27deg 65.16% 30.39%
cmyk78.91% 43.75% 0% 49.8%
hwb213.27deg 10.59% 49.8%
xyz-d650.07 0.06 0.21
oklch0.402 0.1064 255.66
oklab0.402 -0.03 -0.1
CMYK
78.91% 43.75% 0% 49.8%
78.9143.75049.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.06 0.21
0.070.060.21XYZ
X
Y
Z
OKLCH
0.402 0.1064 255.66
0.4020.1064255.66LCH
Lightness
Chroma
Hue
OKLAB
0.402 -0.03 -0.1
0.402-0.03-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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