Nile Blue

#133F4B

General Information About Nile Blue

The hexadecimal color code #133F4B, commonly known as Nile Blue, represents a dark shade of cyan-blue. It is composed of 7.45% red, 24.71% green, and 29.41% blue. In the RGB color model, this translates to 19 red, 63 green, and 75 blue. The color evokes feelings of calmness, stability, and sophistication. It is often associated with water and the night sky, giving a sense of depth and tranquility. Nile Blue is used in diverse applications, ranging from graphic design to fashion. Its subtle nature makes it versatile for both backgrounds and accent elements. It's important to note the contrast ratio with foreground elements when using this color in web design to ensure optimal readability and accessibility.

The color #133F4B, also known as Nile Blue, presents some accessibility challenges, particularly in web design. Its relatively dark hue results in a low contrast ratio against standard white backgrounds, which can make text difficult to read for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text. Nile Blue often falls short of these recommendations, necessitating careful consideration of foreground text colors. Lighter shades of yellow, orange, or even white may provide better contrast. When using #133F4B for backgrounds, it's crucial to employ contrast checkers to ensure compliance with accessibility standards. Moreover, providing alternative color schemes allows users to customize the interface according to their needs, significantly enhancing usability for everyone. Proper use of ARIA attributes and semantic HTML can further improve accessibility when using this color.

Shades

Digital Color Formats

RGB
19 63 75
RGB19 63 75
Red
Green
Blue
HSL
192.86deg 59.57% 18.43%
192.8659.5718.43HSL
Hue
Saturation
Lightness
HWB
192.86deg 7.45% 70.59%
192.867.4570.59HWB
Hue
Whiteness
Blackness
hex#133F4B
rgb19 63 75
hsl192.86deg 59.57% 18.43%
cmyk74.67% 16% 0% 70.59%
hwb192.86deg 7.45% 70.59%
xyz-d650.03 0.04 0.07
oklch0.3434 0.0515 219.36
oklab0.3434 -0.04 -0.03
CMYK
74.67% 16% 0% 70.59%
74.6716070.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.07
0.030.040.07XYZ
X
Y
Z
OKLCH
0.3434 0.0515 219.36
0.34340.0515219.36LCH
Lightness
Chroma
Hue
OKLAB
0.3434 -0.04 -0.03
0.3434-0.04-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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