Chathams Blue

#1B537D

General Information about Chathams Blue (#1B537D)

The hex color #1B537D, also known as Chathams Blue, is a dark, muted shade of blue. In the RGB color model, it is composed of 10.59% red, 32.55% green, and 49.02% blue. In the CMYK color model, it consists of 78.37% cyan, 33.59% magenta, 0% yellow, and 50.98% black. This color is often associated with feelings of calmness, stability, and trustworthiness. It is frequently used in corporate branding and website design to convey a sense of professionalism and reliability. The color's hexadecimal representation provides a standardized way to define it across various digital platforms, ensuring consistency in appearance across different devices and applications. Chathams Blue's relatively low saturation and luminance make it a versatile choice for backgrounds and text elements, especially when paired with contrasting colors.

The color #1B537D, also known as Chathams Blue, presents some accessibility challenges, primarily due to its relatively low luminance. When used as a background color, sufficient contrast with text is crucial to ensure readability for users with visual impairments. A light-colored text is recommended to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. For instance, white text (#FFFFFF) on a #1B537D background provides adequate contrast. Conversely, using darker text colors may render content illegible. In user interface design, consider the context in which this color is applied; larger text sizes and bolder fonts can improve readability even with lower contrast. Additionally, providing alternative color schemes allows users to customize the interface to their preferences, enhancing overall accessibility. Testing with accessibility tools is essential to validate the color's compliance with accessibility standards.

Shades

Digital Color Formats

RGB
27 83 125
RGB27 83 125
Red
Green
Blue
HSL
205.71deg 64.47% 29.8%
205.7164.4729.8HSL
Hue
Saturation
Lightness
HWB
205.71deg 10.59% 50.98%
205.7110.5950.98HWB
Hue
Whiteness
Blackness
hex#1B537D
rgb27 83 125
hsl205.71deg 64.47% 29.8%
cmyk78.4% 33.6% 0% 50.98%
hwb205.71deg 10.59% 50.98%
xyz-d650.07 0.08 0.21
oklch0.4274 0.0904 245.19
oklab0.4274 -0.04 -0.08
CMYK
78.4% 33.6% 0% 50.98%
78.433.6050.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.08 0.21
0.070.080.21XYZ
X
Y
Z
OKLCH
0.4274 0.0904 245.19
0.42740.0904245.19LCH
Lightness
Chroma
Hue
OKLAB
0.4274 -0.04 -0.08
0.4274-0.04-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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