Nile Blue

#1F3A47

General Information about #1F3A47

The hexadecimal color #1F3A47, often referred to as Nile Blue, is a dark, muted shade of blue-gray. It belongs to the blue color family but has a desaturated quality that gives it a sophisticated and calming appearance. In the RGB color model, #1F3A47 is composed of 12.2% red, 22.7% green, and 27.8% blue. The CMYK representation is 56% cyan, 18% magenta, 0% yellow, and 72% black. This color is frequently used in design to evoke feelings of stability, professionalism, and tranquility. Its low saturation makes it a versatile choice for backgrounds, text, and other design elements where a subtle and understated effect is desired. Nile Blue is also associated with sophistication and elegance, making it a popular choice for branding in industries such as finance, technology, and healthcare. The name 'Nile Blue' suggests a connection to the Nile River, possibly alluding to its serene and calming properties.

The color #1F3A47, also known as Nile Blue, presents some accessibility challenges due to its relatively low contrast against lighter backgrounds. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments to perceive content effectively. With a luminance value that indicates a darker hue, #1F3A47 requires careful consideration of the foreground text or elements placed upon it. White text on a #1F3A47 background generally provides acceptable contrast. However, lighter shades of gray or other muted colors might not meet the minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text, as specified by WCAG AA standards. It's imperative to test color combinations using accessibility tools to ensure compliance. For instance, tools like the WebAIM Contrast Checker can quickly assess whether a given color pairing is accessible. When using #1F3A47, developers should also consider users with color blindness, who may perceive the color differently. Providing alternative visual cues, such as icons or text labels, can further enhance accessibility. Always prioritize inclusive design practices to ensure content is usable by the widest possible audience.

Shades

Digital Color Formats

RGB
31 58 71
RGB31 58 71
Red
Green
Blue
HSL
199.5deg 39.22% 20%
199.539.2220HSL
Hue
Saturation
Lightness
HWB
199.5deg 12.16% 72.16%
199.512.1672.16HWB
Hue
Whiteness
Blackness
hex#1F3A47
rgb31 58 71
hsl199.5deg 39.22% 20%
cmyk56.34% 18.31% 0% 72.16%
hwb199.5deg 12.16% 72.16%
xyz-d650.03 0.04 0.07
oklch0.3329 0.0402 230.54
oklab0.3329 -0.03 -0.03
CMYK
56.34% 18.31% 0% 72.16%
56.3418.31072.16CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.07
0.030.040.07XYZ
X
Y
Z
OKLCH
0.3329 0.0402 230.54
0.33290.0402230.54LCH
Lightness
Chroma
Hue
OKLAB
0.3329 -0.03 -0.03
0.3329-0.03-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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