Chathams Blue

#1B4F72

General Information about Chathams Blue (#1B4F72)

Chathams Blue, represented by the hexadecimal color code #1B4F72, is a dark shade of blue often associated with calmness, stability, and trustworthiness. It belongs to the blue color family and exhibits a moderate saturation and relatively low brightness. In the RGB color model, it consists of 10.6% red, 31% green, and 44.7% blue. Its CMYK values are 76% cyan, 30% magenta, 0% yellow, and 55% black. This color is frequently used in corporate branding and website design to evoke feelings of security and reliability. Its name, Chathams Blue, suggests a connection to the ocean, further reinforcing its association with tranquility and depth. The color is well-suited for professional and formal contexts, where it conveys a sense of competence and composure.

The hex color #1B4F72, also known as Chathams Blue, presents some accessibility considerations for web developers. Due to its relatively dark nature, it's crucial to ensure sufficient contrast when using it for text or interactive elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text against its background. Using a light color for text on a #1B4F72 background is advisable to meet these standards. Tools are available to check the contrast ratio between foreground and background colors. Also, consider users with color vision deficiencies. Testing the color combination with simulators can help ensure content is accessible to a wider audience. Providing alternative styling options or themes can further improve accessibility for users with specific needs.

Shades

Digital Color Formats

RGB
27 79 114
RGB27 79 114
Red
Green
Blue
HSL
204.14deg 61.7% 27.65%
204.1461.727.65HSL
Hue
Saturation
Lightness
HWB
204.14deg 10.59% 55.29%
204.1410.5955.29HWB
Hue
Whiteness
Blackness
hex#1B4F72
rgb27 79 114
hsl204.14deg 61.7% 27.65%
cmyk76.32% 30.7% 0% 55.29%
hwb204.14deg 10.59% 55.29%
xyz-d650.06 0.07 0.17
oklch0.4106 0.08 242.11
oklab0.4106 -0.04 -0.07
CMYK
76.32% 30.7% 0% 55.29%
76.3230.7055.29CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.07 0.17
0.060.070.17XYZ
X
Y
Z
OKLCH
0.4106 0.08 242.11
0.41060.08242.11LCH
Lightness
Chroma
Hue
OKLAB
0.4106 -0.04 -0.07
0.4106-0.04-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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