Chathams Blue

#1B487D

General Information

The hexadecimal color code #1B487D, also known as Chathams Blue, is a dark shade of blue with a sense of depth and sophistication. It is composed of 10.6% red, 28.2% green, and 49% blue. In the RGB color model, this translates to 27 red, 72 green, and 125 blue. The color is often associated with feelings of calmness, trust, and stability, making it a popular choice for designs aiming to evoke professionalism and reliability. Chathams Blue has a relatively low saturation and brightness, which contributes to its understated elegance. It is commonly used in corporate branding, website design, and other applications where a sense of security and dependability is desired.

The color #1B487D, also known as Chathams Blue, presents some accessibility considerations for web design. Its relatively dark hue means that it requires careful selection of foreground text colors to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #1B487D as a background color, lighter shades of text like white or very light gray would typically be necessary to meet these standards. It's crucial to test color combinations with accessibility tools to verify compliance and ensure that users with visual impairments can comfortably read the content. Furthermore, avoid using color alone to convey important information; always provide alternative textual cues or visual indicators to ensure inclusivity for all users.

Shades

Digital Color Formats

RGB
27 72 125
RGB27 72 125
Red
Green
Blue
HSL
212.45deg 64.47% 29.8%
212.4564.4729.8HSL
Hue
Saturation
Lightness
HWB
212.45deg 10.59% 50.98%
212.4510.5950.98HWB
Hue
Whiteness
Blackness
hex#1B487D
rgb27 72 125
hsl212.45deg 64.47% 29.8%
cmyk78.4% 42.4% 0% 50.98%
hwb212.45deg 10.59% 50.98%
xyz-d650.06 0.06 0.2
oklch0.3999 0.1021 254.63
oklab0.3999 -0.03 -0.1
CMYK
78.4% 42.4% 0% 50.98%
78.442.4050.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.06 0.2
0.060.060.2XYZ
X
Y
Z
OKLCH
0.3999 0.1021 254.63
0.39990.1021254.63LCH
Lightness
Chroma
Hue
OKLAB
0.3999 -0.03 -0.1
0.3999-0.03-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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