Nile Blue

#28394B

General Information about #28394B

The hex color #28394B, also known as Nile Blue, is a dark, muted shade of blue-gray. It is a complex color that evokes feelings of tranquility, sophistication, and stability. In the RGB color model, it consists of 16.08% red, 22.35% green, and 29.41% blue. In the CMYK color model, it is composed of 45% cyan, 24% magenta, 0% yellow, and 71% black. This color is often associated with professionalism and can be used to create a calming and trustworthy atmosphere. The subtle nature of Nile Blue makes it a versatile choice for various applications, from web design to interior decoration. It pairs well with both warm and cool colors, allowing for a wide range of design possibilities. Its hex triplet is a valuable resource for accurately representing the color in digital media and graphic design projects.

The color #28394B, a deep, muted blue-gray, presents some accessibility challenges, particularly in text applications. Its low luminance contrast against common background colors like white or light gray means that text rendered in this color may be difficult for individuals with visual impairments to read comfortably. According to WCAG guidelines, sufficient contrast ratios are crucial for readability. For normal text (size 14 point or 18 point bold), a contrast ratio of at least 4.5:1 is recommended, while for large text (14 point bold or larger), a ratio of 3:1 is acceptable. Testing #28394B against various backgrounds using accessibility tools is essential to ensure compliance. When using this color for text, consider pairing it with very light or bright backgrounds to enhance readability. Also, avoid using this color for critical interactive elements where clear visibility is paramount. For UI elements, provide secondary visual cues, such as icons or text labels, to compensate for potential contrast issues. Always test your color combinations with accessibility checkers and, ideally, with real users with visual impairments.

Shades

Digital Color Formats

RGB
40 57 75
RGB40 57 75
Red
Green
Blue
HSL
210.86deg 30.43% 22.55%
210.8630.4322.55HSL
Hue
Saturation
Lightness
HWB
210.86deg 15.69% 70.59%
210.8615.6970.59HWB
Hue
Whiteness
Blackness
hex#28394B
rgb40 57 75
hsl210.86deg 30.43% 22.55%
cmyk46.67% 24% 0% 70.59%
hwb210.86deg 15.69% 70.59%
xyz-d650.04 0.04 0.07
oklch0.338 0.0389 250.47
oklab0.338 -0.01 -0.04
CMYK
46.67% 24% 0% 70.59%
46.6724070.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.07
0.040.040.07XYZ
X
Y
Z
OKLCH
0.338 0.0389 250.47
0.3380.0389250.47LCH
Lightness
Chroma
Hue
OKLAB
0.338 -0.01 -0.04
0.338-0.01-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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