Nile Blue

#153E4A

General Information about Nile Blue

The hexadecimal color #153E4A, commonly known as Nile Blue, is a dark, muted shade of cyan-blue. It is composed of 8.24% red, 24.31% green, and 29.02% blue. In the RGB color space, it is relatively low in all three primary color components, resulting in its subdued appearance. Nile Blue evokes a sense of calmness, stability, and sophistication. Its name originates from a dye once extracted from plants near the Nile River. In color psychology, it is often associated with trust, authority, and intellect, making it a popular choice for professional and corporate applications. This color is often used in design when the intent is to convey a message of reliability and experience.

The color #153E4A, also known as Nile Blue, presents certain accessibility challenges, particularly concerning color contrast. When used as a background color, it's crucial to ensure that the foreground text or elements have sufficient contrast to meet WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Lighter colors such as whites, yellows, or light greens work best as foreground elements. It is important to test the color combination using accessibility tools to ensure compliance. Also, avoid relying solely on color to convey information; always provide alternative cues like text labels or icons to accommodate users with color vision deficiencies.

Shades

Digital Color Formats

RGB
21 62 74
RGB21 62 74
Red
Green
Blue
HSL
193.58deg 55.79% 18.63%
193.5855.7918.63HSL
Hue
Saturation
Lightness
HWB
193.58deg 8.24% 70.98%
193.588.2470.98HWB
Hue
Whiteness
Blackness
hex#153E4A
rgb21 62 74
hsl193.58deg 55.79% 18.63%
cmyk71.62% 16.22% 0% 70.98%
hwb193.58deg 8.24% 70.98%
xyz-d650.03 0.04 0.07
oklch0.3408 0.0496 220.46
oklab0.3408 -0.04 -0.03
CMYK
71.62% 16.22% 0% 70.98%
71.6216.22070.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.07
0.030.040.07XYZ
X
Y
Z
OKLCH
0.3408 0.0496 220.46
0.34080.0496220.46LCH
Lightness
Chroma
Hue
OKLAB
0.3408 -0.04 -0.03
0.3408-0.04-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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