Nile Blue

#18404C

General Information about #18404C

The hex color #18404C, also known as Nile Blue, is a dark shade of cyan-blue with a subtle green undertone. It evokes a sense of tranquility, sophistication, and depth. In the RGB color model, it is composed of 9.41% red, 25.1% green, and 29.8% blue. In the CMYK color model, it consists of 68.42% cyan, 15.79% magenta, 0% yellow, and 70.2% black. This color is often associated with nature, stability, and professionalism. Its hex code #18404C makes it easily identifiable and reproducible across various digital platforms and design software. The color finds application in various fields, including web design, graphic design, interior decor, and fashion, where its versatility and calming properties are valued.

The hex color #18404C, a deep, muted blue-green, presents some accessibility challenges, especially concerning color contrast. When used as a background color, it's crucial to pair it with light-colored text to ensure sufficient contrast for readability. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for larger text (14pt bold or 18pt regular) to meet WCAG AA standards. Using tools to evaluate color contrast is highly advisable during the design phase. Avoid pairing this color with other dark shades, as it can make text and interface elements difficult to discern for users with visual impairments. When used for interactive elements, visual cues beyond color, such as borders or icons, should be added to ensure usability for colorblind users. Thoughtful application is essential to ensure the color is inclusive and accessible to all users.

Shades

Digital Color Formats

RGB
24 64 76
RGB24 64 76
Red
Green
Blue
HSL
193.85deg 52% 19.61%
193.855219.61HSL
Hue
Saturation
Lightness
HWB
193.85deg 9.41% 70.2%
193.859.4170.2HWB
Hue
Whiteness
Blackness
hex#18404C
rgb24 64 76
hsl193.85deg 52% 19.61%
cmyk68.42% 15.79% 0% 70.2%
hwb193.85deg 9.41% 70.2%
xyz-d650.04 0.04 0.07
oklch0.3487 0.049 220.67
oklab0.3487 -0.04 -0.03
CMYK
68.42% 15.79% 0% 70.2%
68.4215.79070.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.07
0.040.040.07XYZ
X
Y
Z
OKLCH
0.3487 0.049 220.67
0.34870.049220.67LCH
Lightness
Chroma
Hue
OKLAB
0.3487 -0.04 -0.03
0.3487-0.04-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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