Chathams Blue

#1E4A73

General Information about Chathams Blue

The hex color #1E4A73, also known as Chathams Blue, is a dark, muted shade of blue often associated with feelings of calmness, stability, and sophistication. In the RGB color model, it is composed of 12.2% red, 29% green, and 45.1% blue. The CMYK representation is 73% cyan, 36% magenta, 0% yellow, and 55% black. This color is named after the Chatham Islands, known for their rugged beauty and remote location. It is often used in branding and design to convey a sense of trust, reliability, and professionalism. Due to its calming nature, it is frequently employed in industries such as finance, technology, and healthcare. When using #1E4A73, it's important to consider its relatively low lightness value, which necessitates careful attention to color contrast for accessibility.

The hex color #1E4A73, also known as Chathams Blue, presents some accessibility considerations for web developers. Its relatively dark hue means that careful attention must be paid to color contrast, particularly when used as a background or foreground color for text. To ensure readability and accessibility, it's essential to pair this color with lighter text colors, such as white or very pale shades of yellow or gray. Using contrast ratio tools is highly recommended to verify compliance with WCAG (Web Content Accessibility Guidelines) standards, aiming for a minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. Furthermore, avoid using this color as the sole indicator for important interactive elements, like links or buttons, as users with color vision deficiencies might struggle to perceive them. Always supplement color cues with text labels or other visual indicators.

Shades

Digital Color Formats

RGB
30 74 115
RGB30 74 115
Red
Green
Blue
HSL
208.94deg 58.62% 28.43%
208.9458.6228.43HSL
Hue
Saturation
Lightness
HWB
208.94deg 11.76% 54.9%
208.9411.7654.9HWB
Hue
Whiteness
Blackness
hex#1E4A73
rgb30 74 115
hsl208.94deg 58.62% 28.43%
cmyk73.91% 35.65% 0% 54.9%
hwb208.94deg 11.76% 54.9%
xyz-d650.06 0.06 0.17
oklch0.3995 0.0847 249.42
oklab0.3995 -0.03 -0.08
CMYK
73.91% 35.65% 0% 54.9%
73.9135.65054.9CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.17
0.060.060.17XYZ
X
Y
Z
OKLCH
0.3995 0.0847 249.42
0.39950.0847249.42LCH
Lightness
Chroma
Hue
OKLAB
0.3995 -0.03 -0.08
0.3995-0.03-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons