Chathams Blue

#175381

General Information

The color #175381, commonly known as Chathams Blue, is a deep, cool-toned blue that falls within the range of navy blues. It has a subtle sophistication and evokes feelings of trust, stability, and calmness. In the RGB color model, #175381 is composed of 9.02% red, 32.55% green, and 50.59% blue. Its CMYK values are 82.2, 35.1, 0.0, 49.4. This color is often associated with professionalism and reliability, making it a popular choice for corporate branding and design. Due to its darker nature, Chathams Blue works best when paired with lighter colors to create contrast and enhance readability. Its hexadecimal triplet is 175381, and it belongs to the larger family of blue hues often used to convey serenity and intellect.

The hex color #175381, also known as Chathams Blue, presents some accessibility challenges, particularly when used as a text color against a white background. Its relatively low luminance value means that the contrast ratio might not meet WCAG (Web Content Accessibility Guidelines) standards, specifically the AA level which requires a contrast ratio of 4.5:1 for normal text and 3:1 for large text. To ensure accessibility, it's crucial to pair this color with a very light background, or conversely, use it as a background color with very light text. Tools are readily available online to check contrast ratios and ensure compliance. Consider increasing the font size or using a bolder font weight to improve legibility. When using this color for interactive elements, providing clear visual cues for hover, focus, and active states is essential to enhance usability for all users, especially those with visual impairments.

Shades

Digital Color Formats

RGB
23 83 129
RGB23 83 129
Red
Green
Blue
HSL
206.04deg 69.74% 29.8%
206.0469.7429.8HSL
Hue
Saturation
Lightness
HWB
206.04deg 9.02% 49.41%
206.049.0249.41HWB
Hue
Whiteness
Blackness
hex#175381
rgb23 83 129
hsl206.04deg 69.74% 29.8%
cmyk82.17% 35.66% 0% 49.41%
hwb206.04deg 9.02% 49.41%
xyz-d650.07 0.08 0.22
oklch0.4287 0.0969 246.38
oklab0.4287 -0.04 -0.09
CMYK
82.17% 35.66% 0% 49.41%
82.1735.66049.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.08 0.22
0.070.080.22XYZ
X
Y
Z
OKLCH
0.4287 0.0969 246.38
0.42870.0969246.38LCH
Lightness
Chroma
Hue
OKLAB
0.4287 -0.04 -0.09
0.4287-0.04-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons