Chathams Blue

#1C4E7C

General Information about Chathams Blue

The hexadecimal color #1C4E7C, also known as Chathams Blue, is a dark shade of blue with a touch of cyan, providing a cool and calming impression. It belongs to the blue color family and has RGB values of R:28, G:78, B:124. This color is often associated with trust, stability, and professionalism, making it a popular choice for corporate branding and web design. In the CMYK color model, #1C4E7C is composed of C:77, M:37, Y:0, K:51. The name 'Chathams Blue' suggests a connection to a specific region or historical context, potentially referring to the Chatham Islands or a similar geographic location known for its blue hues. This color is relatively muted compared to brighter blues, which contributes to its sophisticated and understated appeal. Its hex code provides a precise and standardized way to represent this color across various digital platforms and design applications.

The color #1C4E7C, also known as Chathams Blue, presents some accessibility challenges, especially when used as a background color. Its relatively low lightness value means that text needs to be carefully chosen 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 against a background. Using white (#FFFFFF) or very light grey text on a #1C4E7C background would generally meet these requirements. However, darker shades of grey or colors closer to #1C4E7C would likely fail, making content difficult for users with visual impairments to read. Tools like contrast checkers can help web developers verify compliance. When used for interactive elements like buttons, sufficient color contrast is crucial to ensure users can easily identify and interact with them. Considering alternative, lighter shades of blue or pairing #1C4E7C with high-contrast colors in a well-designed color scheme can significantly improve accessibility.

Shades

Digital Color Formats

RGB
28 78 124
RGB28 78 124
Red
Green
Blue
HSL
208.75deg 63.16% 29.8%
208.7563.1629.8HSL
Hue
Saturation
Lightness
HWB
208.75deg 10.98% 51.37%
208.7510.9851.37HWB
Hue
Whiteness
Blackness
hex#1C4E7C
rgb28 78 124
hsl208.75deg 63.16% 29.8%
cmyk77.42% 37.1% 0% 51.37%
hwb208.75deg 10.98% 51.37%
xyz-d650.07 0.07 0.2
oklch0.4145 0.0936 249.64
oklab0.4145 -0.03 -0.09
CMYK
77.42% 37.1% 0% 51.37%
77.4237.1051.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.2
0.070.070.2XYZ
X
Y
Z
OKLCH
0.4145 0.0936 249.64
0.41450.0936249.64LCH
Lightness
Chroma
Hue
OKLAB
0.4145 -0.03 -0.09
0.4145-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons