Nile Blue

#153550

General Information about #153550

The hexadecimal color code #153550, commonly referred to as Nile Blue, is a dark, subdued shade of blue. It is composed of 8.24% red, 21.84% green, and 31.37% blue. In the RGB color model, it's represented as (21, 53, 80). This particular hue is often associated with calmness, sophistication, and reliability. It finds common usage in various design fields, including web design, graphic design, and interior decor. Its relatively low brightness and moderate saturation contribute to its versatility, allowing it to be easily paired with other colors or used as a primary color in various applications.

The hex color #153550, also known as Nile Blue, presents some accessibility challenges, particularly regarding contrast. When used as a background color, it requires very light text to ensure readability. A contrast ratio of at least 4.5:1 is recommended for small text and 3:1 for large text, according to WCAG guidelines. Therefore, pairing #153550 with white or very light shades of gray or yellow is essential for accessibility. Using a color contrast checker can help verify that the chosen text color meets these standards. Also, it's important to avoid using this color for critical interface elements like buttons or links without careful consideration of the foreground color. Providing sufficient contrast enhances usability for individuals with visual impairments.

Shades

Digital Color Formats

RGB
21 53 80
RGB21 53 80
Red
Green
Blue
HSL
207.46deg 58.42% 19.8%
207.4658.4219.8HSL
Hue
Saturation
Lightness
HWB
207.46deg 8.24% 68.63%
207.468.2468.63HWB
Hue
Whiteness
Blackness
hex#153550
rgb21 53 80
hsl207.46deg 58.42% 19.8%
cmyk73.75% 33.75% 0% 68.63%
hwb207.46deg 8.24% 68.63%
xyz-d650.03 0.03 0.08
oklch0.3192 0.0614 246.77
oklab0.3192 -0.02 -0.06
CMYK
73.75% 33.75% 0% 68.63%
73.7533.75068.63CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.03 0.08
0.030.030.08XYZ
X
Y
Z
OKLCH
0.3192 0.0614 246.77
0.31920.0614246.77LCH
Lightness
Chroma
Hue
OKLAB
0.3192 -0.02 -0.06
0.3192-0.02-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons