Chathams Blue

#1F5179

General Information about Chathams Blue (#1F5179)

The hex color #1F5179, commonly known as Chathams Blue, is a dark, desaturated shade of blue. It belongs to the blue color family and exhibits a sense of calmness, stability, and sophistication. In the RGB color model, it is composed of 12.2% red, 31.8% green, and 47.5% blue. Its CMYK values are 74.3% cyan, 33.7% magenta, 0% yellow, and 52.5% black. This color is often associated with trustworthiness, reliability, and professionalism, making it a popular choice for corporate branding and user interface design. Its subtle and muted nature allows it to be versatile across various applications, providing a sense of understated elegance.

The hex color #1F5179, also known as Chathams Blue, presents moderate accessibility challenges. Its relatively dark hue means that careful consideration must be given to its contrast ratio against lighter backgrounds to ensure readability for users with visual impairments. Following WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Testing the color combination with accessibility tools is crucial to confirm compliance. When used for interactive elements such as links or buttons, it's essential to provide sufficient visual cues beyond color alone to ensure all users can perceive and understand the intended action. Providing alternative text for images using this color also enhances accessibility for screen reader users.

Shades

Digital Color Formats

RGB
31 81 121
RGB31 81 121
Red
Green
Blue
HSL
206.67deg 59.21% 29.8%
206.6759.2129.8HSL
Hue
Saturation
Lightness
HWB
206.67deg 12.16% 52.55%
206.6712.1652.55HWB
Hue
Whiteness
Blackness
hex#1F5179
rgb31 81 121
hsl206.67deg 59.21% 29.8%
cmyk74.38% 33.06% 0% 52.55%
hwb206.67deg 12.16% 52.55%
xyz-d650.07 0.08 0.19
oklch0.4213 0.0855 246.06
oklab0.4213 -0.03 -0.08
CMYK
74.38% 33.06% 0% 52.55%
74.3833.06052.55CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.08 0.19
0.070.080.19XYZ
X
Y
Z
OKLCH
0.4213 0.0855 246.06
0.42130.0855246.06LCH
Lightness
Chroma
Hue
OKLAB
0.4213 -0.03 -0.08
0.4213-0.03-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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