Nile Blue

#183A4A

General Information about Nile Blue

The hex color #183A4A, also known as Nile Blue, is a dark, muted shade of blue with hints of green. It evokes a sense of tranquility, sophistication, and depth. In the RGB color model, it is composed of 9.41% red, 22.75% green, and 29.02% blue. In the CMYK color model, it consists of 68% cyan, 22% magenta, 0% yellow, and 71% black. This color is often associated with water, nature, and calmness, making it a popular choice for designs that aim to convey serenity and stability. Nile Blue is also a historical color, with ties to ancient dyes and pigments, further enhancing its appeal for projects seeking a touch of classic elegance. Its subtle nature makes it versatile for various applications, from branding to digital interfaces.

The color #183A4A, also known as Nile Blue, presents some accessibility challenges, particularly regarding color contrast. When used as a background color, it necessitates light-colored text for readability. According to WCAG guidelines, sufficient contrast is essential for users with visual impairments to perceive the text clearly. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Designers should use color contrast tools to ensure their designs meet these standards. Using #183A4A for interactive elements like buttons or links requires careful consideration of focus states and hover effects. Providing clear visual cues helps users understand interactive elements, thereby enhancing usability for everyone, including those with disabilities. Alternative color schemes should be explored if sufficient contrast cannot be achieved with the primary color palette.

Shades

Digital Color Formats

RGB
24 58 74
RGB24 58 74
Red
Green
Blue
HSL
199.2deg 51.02% 19.22%
199.251.0219.22HSL
Hue
Saturation
Lightness
HWB
199.2deg 9.41% 70.98%
199.29.4170.98HWB
Hue
Whiteness
Blackness
hex#183A4A
rgb24 58 74
hsl199.2deg 51.02% 19.22%
cmyk67.57% 21.62% 0% 70.98%
hwb199.2deg 9.41% 70.98%
xyz-d650.03 0.04 0.07
oklch0.3309 0.0485 231.16
oklab0.3309 -0.03 -0.04
CMYK
67.57% 21.62% 0% 70.98%
67.5721.62070.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.07
0.030.040.07XYZ
X
Y
Z
OKLCH
0.3309 0.0485 231.16
0.33090.0485231.16LCH
Lightness
Chroma
Hue
OKLAB
0.3309 -0.03 -0.04
0.3309-0.03-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons