Chathams Blue

#1F487E

General Information about Chathams Blue

The color #1F487E, also known as Chathams Blue, is a dark and muted shade of blue. It belongs to the blue color family, specifically a deep, cool-toned variant. In the RGB color model, it is composed of 12.2% red, 28.24% green, and 49.41% blue. This hexadecimal color is often associated with feelings of calmness, stability, and trust, making it a popular choice for branding and design where these qualities are desired. Its relative darkness gives it a sense of depth and sophistication, setting it apart from lighter, more vibrant blues. Chathams Blue is versatile and can be used in a variety of applications, from web design to interior decoration, where a sense of professionalism and tranquility is sought.

The hex color #1F487E, also known as Chathams Blue, presents specific accessibility considerations for web design. Its relatively dark hue results in a lower luminance value. When used as a background color, it necessitates light-colored text for sufficient contrast to ensure readability, adhering to WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Testing with accessibility tools is crucial to confirm compliance. When using this color for interactive elements like buttons or links, provide clear visual cues beyond color alone, such as underlines or icons, to accommodate users with color vision deficiencies. Ensuring proper focus indicators are visible for keyboard navigation is also essential.

Shades

Digital Color Formats

RGB
31 72 126
RGB31 72 126
Red
Green
Blue
HSL
214.11deg 60.51% 30.78%
214.1160.5130.78HSL
Hue
Saturation
Lightness
HWB
214.11deg 12.16% 50.59%
214.1112.1650.59HWB
Hue
Whiteness
Blackness
hex#1F487E
rgb31 72 126
hsl214.11deg 60.51% 30.78%
cmyk75.4% 42.86% 0% 50.59%
hwb214.11deg 12.16% 50.59%
xyz-d650.07 0.06 0.21
oklch0.4021 0.1021 256.39
oklab0.4021 -0.02 -0.1
CMYK
75.4% 42.86% 0% 50.59%
75.442.86050.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.06 0.21
0.070.060.21XYZ
X
Y
Z
OKLCH
0.4021 0.1021 256.39
0.40210.1021256.39LCH
Lightness
Chroma
Hue
OKLAB
0.4021 -0.02 -0.1
0.4021-0.02-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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