Nile Blue

#173A4D

General Information about Nile Blue (#173A4D)

The hexadecimal color #173A4D, commonly referred to as Nile Blue, is a dark, muted shade of blue with a subtle touch of green. It belongs to the cyan-blue color family and exhibits a relatively low saturation, giving it a calming and understated appearance. In the RGB color model, #173A4D is composed of 9.02% red, 22.75% green, and 30.2% blue. Its CMYK values are 0.70, 0.25, 0.00, 0.69. This color is often associated with feelings of tranquility, stability, and sophistication, making it a popular choice for various applications, including web design, graphic design, and interior decor. Its unique blend of blue and green provides a versatile base for creating harmonious color palettes.

The color #173A4D, also known as Nile Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a background, it necessitates very light text (ideally white or near-white) to ensure readability for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. It's crucial to verify the contrast ratio between #173A4D and any foreground elements using online contrast checkers. If the contrast is insufficient, consider lightening the background or darkening the text. Avoid using #173A4D for critical interactive elements like buttons or links without careful consideration of text color and overall visibility. Providing sufficient visual cues, such as borders or icons, can further enhance accessibility. Remember to test your color choices with users who have different types of visual impairments to ensure inclusivity.

Shades

Digital Color Formats

RGB
23 58 77
RGB23 58 77
Red
Green
Blue
HSL
201.11deg 54% 19.61%
201.115419.61HSL
Hue
Saturation
Lightness
HWB
201.11deg 9.02% 69.8%
201.119.0269.8HWB
Hue
Whiteness
Blackness
hex#173A4D
rgb23 58 77
hsl201.11deg 54% 19.61%
cmyk70.13% 24.68% 0% 69.8%
hwb201.11deg 9.02% 69.8%
xyz-d650.03 0.04 0.08
oklch0.332 0.0524 235.2
oklab0.332 -0.03 -0.04
CMYK
70.13% 24.68% 0% 69.8%
70.1324.68069.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.08
0.030.040.08XYZ
X
Y
Z
OKLCH
0.332 0.0524 235.2
0.3320.0524235.2LCH
Lightness
Chroma
Hue
OKLAB
0.332 -0.03 -0.04
0.332-0.03-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons