Chathams Blue

#1F4E7C

General Information about Chathams Blue (#1F4E7C)

The hex color #1F4E7C, also known as Chathams Blue, is a dark shade of blue. It belongs to the blue color family and exhibits a muted, sophisticated tone. In the RGB color model, it is composed of 12.2% red, 30.6% green, and 48.6% blue. In the CMYK color model, it consists of 75% cyan, 37% magenta, 0% yellow, and 51% black. This color is often associated with feelings of calmness, stability, and trust, making it a popular choice for branding, web design, and other visual communication. Its hexadecimal code allows for precise color representation in digital environments. Understanding the color composition and its associations can help designers effectively incorporate it into their projects to achieve desired visual effects and convey specific messages.

The color #1F4E7C, also known as Chathams Blue, presents some accessibility considerations for web development. Its relatively low luminance necessitates careful pairing with text and other interactive elements. When used as a background color, it's crucial to ensure that the foreground text has a high enough contrast ratio (at least 4.5:1 for normal text and 3:1 for large text, as per WCAG guidelines) to be readable for users with visual impairments. White or light shades of yellow are often suitable choices. For interactive elements like buttons or links, sufficient contrast is equally important, not only for the text but also for the visual cues indicating the element's interactive state (e.g., hover, focus). Consider providing alternative styling options for users who need to adjust the color scheme for better readability. Avoid using this color as the sole indicator of important information, as colorblind users might miss it. Always provide redundant cues, such as text labels or icons.

Shades

Digital Color Formats

RGB
31 78 124
RGB31 78 124
Red
Green
Blue
HSL
209.68deg 60% 30.39%
209.686030.39HSL
Hue
Saturation
Lightness
HWB
209.68deg 12.16% 51.37%
209.6812.1651.37HWB
Hue
Whiteness
Blackness
hex#1F4E7C
rgb31 78 124
hsl209.68deg 60% 30.39%
cmyk75% 37.1% 0% 51.37%
hwb209.68deg 12.16% 51.37%
xyz-d650.07 0.07 0.2
oklch0.4155 0.0925 250.67
oklab0.4155 -0.03 -0.09
CMYK
75% 37.1% 0% 51.37%
7537.1051.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.2
0.070.070.2XYZ
X
Y
Z
OKLCH
0.4155 0.0925 250.67
0.41550.0925250.67LCH
Lightness
Chroma
Hue
OKLAB
0.4155 -0.03 -0.09
0.4155-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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