Chathams Blue

#1F4A7C

General Information about Chathams Blue (#1F4A7C)

The hex color #1F4A7C, also known as Chathams Blue, is a dark, muted shade of blue. It belongs to the blue color family and possesses a sense of depth and sophistication. In the RGB color model, it is composed of 12.2% red, 29% green, and 48.6% blue. In the CMYK color model, it consists of 75% cyan, 40% magenta, 0% yellow, and 51% black. This color is often associated with qualities such as stability, trust, intelligence, and calmness. It evokes a feeling of reliability and professionalism, making it a popular choice for corporate branding and serious visual designs. Chathams Blue works well as a background color, particularly when paired with lighter text, or as an accent color to convey authority and sophistication. Its versatility also lends itself well to various applications, from web design to interior decoration.

The hex color #1f4a7c, also known as Chathams Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, careful consideration must be given to the foreground text color. A light text color, such as white (#ffffff) or a very pale yellow, is generally recommended to ensure sufficient contrast for readability. According to WCAG (Web Content Accessibility Guidelines), the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text to meet AA compliance. For AAA compliance, these ratios increase to 7:1 and 4.5:1, respectively. Using tools to check contrast ratios is essential to verify compliance. Additionally, avoid relying solely on color to convey information, as users with color vision deficiencies may struggle to differentiate between colors with low contrast. Providing alternative visual cues, such as text labels or icons, can improve accessibility for all users. Consider using a color palette generator to find accessible color combinations.

Shades

Digital Color Formats

RGB
31 74 124
RGB31 74 124
Red
Green
Blue
HSL
212.26deg 60% 30.39%
212.266030.39HSL
Hue
Saturation
Lightness
HWB
212.26deg 12.16% 51.37%
212.2612.1651.37HWB
Hue
Whiteness
Blackness
hex#1F4A7C
rgb31 74 124
hsl212.26deg 60% 30.39%
cmyk75% 40.32% 0% 51.37%
hwb212.26deg 12.16% 51.37%
xyz-d650.07 0.07 0.2
oklch0.4057 0.0969 254.11
oklab0.4057 -0.03 -0.09
CMYK
75% 40.32% 0% 51.37%
7540.32051.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.07 0.2
0.070.070.2XYZ
X
Y
Z
OKLCH
0.4057 0.0969 254.11
0.40570.0969254.11LCH
Lightness
Chroma
Hue
OKLAB
0.4057 -0.03 -0.09
0.4057-0.03-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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