Nile Blue

#1F3D49

General Information about Nile Blue (#1F3D49)

The hex color #1F3D49, also known as Nile Blue, is a dark, muted shade of blue that evokes feelings of calmness, depth, and sophistication. It is composed of 12.2% red, 23.9% green, and 28.6% blue. In the RGB color model, #1F3D49 has values of 31 red, 61 green, and 73 blue. In the CMYK color model, it is composed of 58% cyan, 16% magenta, 0% yellow, and 71% black. Nile Blue is often associated with water and tranquility, making it a popular choice for designs aiming to create a sense of serenity and stability. Its subdued nature allows it to be used in a variety of contexts without being overwhelming, and it pairs well with both warm and cool color palettes. The color is often seen in corporate branding, interior design, and fashion, where its subtle elegance can add a touch of sophistication.

The color #1F3D49, also known as Nile Blue, presents some accessibility challenges, particularly when used for text. Its relatively low luminance value of 0.13 means that it requires careful pairing with contrasting background colors to ensure readability. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments. When using #1F3D49 for text, it's imperative to test the contrast ratio against the background color using a contrast checker tool. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text (14 points and bold or larger, or 18 points or larger). Considering the color's darkness, it generally works best with lighter backgrounds such as whites, creams, or very light grays. For interactive elements like buttons or links, providing clear visual cues beyond color alone is essential, as color blindness affects a significant portion of the population. This can be achieved through the use of underlines, borders, or icons.

Shades

Digital Color Formats

RGB
31 61 73
RGB31 61 73
Red
Green
Blue
HSL
197.14deg 40.38% 20.39%
197.1440.3820.39HSL
Hue
Saturation
Lightness
HWB
197.14deg 12.16% 71.37%
197.1412.1671.37HWB
Hue
Whiteness
Blackness
hex#1F3D49
rgb31 61 73
hsl197.14deg 40.38% 20.39%
cmyk57.53% 16.44% 0% 71.37%
hwb197.14deg 12.16% 71.37%
xyz-d650.03 0.04 0.07
oklch0.3422 0.0415 226.07
oklab0.3422 -0.03 -0.03
CMYK
57.53% 16.44% 0% 71.37%
57.5316.44071.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.07
0.030.040.07XYZ
X
Y
Z
OKLCH
0.3422 0.0415 226.07
0.34220.0415226.07LCH
Lightness
Chroma
Hue
OKLAB
0.3422 -0.03 -0.03
0.3422-0.03-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons