Nile Blue

#1F3A4D

General Information about Nile Blue

The hexadecimal color #1f3a4d, commonly known as Nile Blue, is a dark, muted shade of blue. It belongs to the family of blue colors and exhibits a relatively low saturation and brightness. In the RGB color model, it is composed of 12.2% red, 22.7% green, and 30.2% blue. Its CMYK representation is 0.59, 0.25, 0, 0.69. This color is often associated with calmness, sophistication, and stability. Nile Blue is frequently used in design to evoke a sense of professionalism and trustworthiness. Its understated nature makes it suitable for backgrounds, text, and accent elements. In branding, it can convey a message of reliability and competence, which is why it is a popular choice for corporate websites and marketing materials. It is more commonly used in websites rather than print media.

The hex color #1f3a4d, also known as Nile Blue, presents some accessibility challenges, particularly when used as a background or text color. Its relatively low luminance value of approximately 0.13 means that it requires careful consideration of contrast ratios. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text against its background. When using #1f3a4d for text, a light color such as #ffffff (white) or #f0f0f0 (light gray) should be chosen as the background to ensure sufficient contrast. Conversely, if #1f3a4d is used as a background color, text should be a light hue to provide sufficient contrast. Failure to meet these contrast requirements can significantly impact readability and accessibility for users with visual impairments. Tools like WebAIM's Contrast Checker can be helpful for evaluating contrast ratios. Always test your color combinations with accessibility in mind to ensure inclusivity.

Shades

Digital Color Formats

RGB
31 58 77
RGB31 58 77
Red
Green
Blue
HSL
204.78deg 42.59% 21.18%
204.7842.5921.18HSL
Hue
Saturation
Lightness
HWB
204.78deg 12.16% 69.8%
204.7812.1669.8HWB
Hue
Whiteness
Blackness
hex#1F3A4D
rgb31 58 77
hsl204.78deg 42.59% 21.18%
cmyk59.74% 24.68% 0% 69.8%
hwb204.78deg 12.16% 69.8%
xyz-d650.03 0.04 0.08
oklch0.336 0.0472 240.83
oklab0.336 -0.02 -0.04
CMYK
59.74% 24.68% 0% 69.8%
59.7424.68069.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.08
0.030.040.08XYZ
X
Y
Z
OKLCH
0.336 0.0472 240.83
0.3360.0472240.83LCH
Lightness
Chroma
Hue
OKLAB
0.336 -0.02 -0.04
0.336-0.02-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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