Nile Blue

#18404F

General Information about #18404F

The hexadecimal color code #18404F represents a dark shade of cyan-blue, often referred to as Nile Blue. In the RGB color model, it is composed of 9.41% red, 25.1% green, and 30.98% blue. This translates to a cool, muted tone that evokes feelings of calmness, stability, and sophistication. Colors similar to #18404F are often associated with nature, particularly water and forests. In color psychology, dark blues are often linked to trust, intelligence, and efficiency. The color is frequently used in corporate branding and web design to convey professionalism and reliability. Its relatively low saturation makes it a versatile choice for backgrounds and text, though care should be taken to ensure adequate contrast with other elements.

The color #18404F, a deep, muted blue-green, presents some accessibility challenges. When used as text, it requires careful consideration of contrast ratios against background colors. To ensure readability for users with visual impairments, a light background is strongly recommended. A contrast ratio of at least 4.5:1 is needed for normal text and 3:1 for large text to meet WCAG AA standards. For enhanced accessibility (WCAG AAA), these ratios increase to 7:1 and 4.5:1 respectively. When used for interactive elements like buttons or links, sufficient contrast should also be maintained for focus states. Providing alternative styling options, such as a high-contrast mode, can further improve accessibility for users with diverse needs. Avoid pairing this color with similar dark hues, as this would significantly reduce legibility. Testing with accessibility tools is recommended.

Shades

Digital Color Formats

RGB
24 64 79
RGB24 64 79
Red
Green
Blue
HSL
196.36deg 53.4% 20.2%
196.3653.420.2HSL
Hue
Saturation
Lightness
HWB
196.36deg 9.41% 69.02%
196.369.4169.02HWB
Hue
Whiteness
Blackness
hex#18404F
rgb24 64 79
hsl196.36deg 53.4% 20.2%
cmyk69.62% 18.99% 0% 69.02%
hwb196.36deg 9.41% 69.02%
xyz-d650.04 0.04 0.08
oklch0.3502 0.0515 225.9
oklab0.3502 -0.04 -0.04
CMYK
69.62% 18.99% 0% 69.02%
69.6218.99069.02CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.08
0.040.040.08XYZ
X
Y
Z
OKLCH
0.3502 0.0515 225.9
0.35020.0515225.9LCH
Lightness
Chroma
Hue
OKLAB
0.3502 -0.04 -0.04
0.3502-0.04-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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