Nile Blue

#1F3A52

General Information about #1F3A52

The hex color #1F3A52, also known as Nile Blue, is a dark, muted shade of blue. It belongs to the blue color family and exhibits a subdued, sophisticated appearance. This color is often associated with qualities such as stability, trust, and professionalism. In color psychology, dark blues can evoke feelings of calmness, security, and intelligence. The hexadecimal color code #1F3A52 is composed of 12.2% red, 22.7% green, and 32.2% blue. In the RGB color space, it has values of R:31, G:58, B:82. The CMYK color model representation is C:0.62, M:0.29, Y:0.00, K:0.68. Nile Blue is often used in branding and design projects where a sense of reliability and competence is desired.

The hex color #1F3A52, also known as Nile Blue, presents some accessibility challenges, especially in text-based contexts. Its relatively low luminance of approximately 8% means that it requires careful consideration of contrast ratios when paired with other colors. According to WCAG guidelines, the minimum contrast ratio for normal text is 4.5:1 against its background. When using #1F3A52 for text, it's crucial to pair it with a light color like white (#FFFFFF) or a very light grey to meet accessibility standards. For large text elements (14pt bold or 18pt regular), a contrast ratio of 3:1 is acceptable. Designers should also avoid using this color for essential information or interactive elements unless sufficient contrast is ensured. Tools like contrast checkers can help evaluate the contrast ratio between #1F3A52 and other colors to ensure readability and usability for users with visual impairments. Alternative color combinations or adjustments to the base color may be necessary to improve accessibility.

Shades

Digital Color Formats

RGB
31 58 82
RGB31 58 82
Red
Green
Blue
HSL
208.24deg 45.13% 22.16%
208.2445.1322.16HSL
Hue
Saturation
Lightness
HWB
208.24deg 12.16% 67.84%
208.2412.1667.84HWB
Hue
Whiteness
Blackness
hex#1F3A52
rgb31 58 82
hsl208.24deg 45.13% 22.16%
cmyk62.2% 29.27% 0% 67.84%
hwb208.24deg 12.16% 67.84%
xyz-d650.04 0.04 0.09
oklch0.3388 0.0539 247
oklab0.3388 -0.02 -0.05
CMYK
62.2% 29.27% 0% 67.84%
62.229.27067.84CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.09
0.040.040.09XYZ
X
Y
Z
OKLCH
0.3388 0.0539 247
0.33880.0539247LCH
Lightness
Chroma
Hue
OKLAB
0.3388 -0.02 -0.05
0.3388-0.02-0.05LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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