Nile Blue

#153B4E

General Information about #153B4E

The hexadecimal color code #153B4E represents a dark shade of blue, often referred to as Nile Blue. It is composed of 8.24% red, 23.14% green, and 30.59% blue. In the RGB color model, this translates to 21 red, 59 green, and 78 blue. When represented in the CMYK color model, it consists of 73.08% cyan, 24.36% magenta, 0% yellow, and 69.41% black. This color is often associated with feelings of calmness, stability, and sophistication. It is a versatile color that can be used effectively in various design contexts, from web development to interior design. Its relatively low brightness makes it suitable for backgrounds or accents when paired with lighter, contrasting colors to ensure readability and visual clarity. Understanding the properties of this color allows designers to make informed decisions about its application and combination with other colors.

The hex color #153B4E, also known as Nile Blue, presents some accessibility challenges, particularly in text applications. Its relatively low luminance (brightness) value means that it requires careful consideration of contrast ratios against background colors. According to WCAG (Web Content Accessibility Guidelines), sufficient contrast is crucial for readability and usability, especially for users with visual impairments. When using #153B4E for text, it's advisable to pair it with a light background to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Tools are available to check contrast ratios and ensure compliance with accessibility standards. In graphical elements, consider using thicker lines or larger shapes to improve visibility. Avoid using this color for critical information or interactive elements without sufficient contrast, as it may be difficult for some users to perceive. Providing alternative color schemes or allowing users to customize colors can also enhance accessibility.

Shades

Digital Color Formats

RGB
21 59 78
RGB21 59 78
Red
Green
Blue
HSL
200deg 57.58% 19.41%
20057.5819.41HSL
Hue
Saturation
Lightness
HWB
200deg 8.24% 69.41%
2008.2469.41HWB
Hue
Whiteness
Blackness
hex#153B4E
rgb21 59 78
hsl200deg 57.58% 19.41%
cmyk73.08% 24.36% 0% 69.41%
hwb200deg 8.24% 69.41%
xyz-d650.03 0.04 0.08
oklch0.3345 0.0542 233.5
oklab0.3345 -0.03 -0.04
CMYK
73.08% 24.36% 0% 69.41%
73.0824.36069.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.08
0.030.040.08XYZ
X
Y
Z
OKLCH
0.3345 0.0542 233.5
0.33450.0542233.5LCH
Lightness
Chroma
Hue
OKLAB
0.3345 -0.03 -0.04
0.3345-0.03-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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