Color Astronaut Blue aqua-blue (#214559):
HEX, RGB color codes for HTML and CSS

The Comprehensive Guide to Astronaut Blue aqua-blue (#214559):
Its Meaning and Harmonious Color Matches in Design.

Astronaut Blue is a color with a HTML hex code of #214559.

Hue Family:

aqua-blues Family:

moderately saturated

colorful tone




medium chroma

Color Information about Astronaut Blue / #214559

The HTML HEX code is #214559. The corresponding color name is "Astronaut Blue". In RGB values (additive color space used for Digital Displays), this HEX code translates to Red (R): 33%, Green (G): 69%, Blue (B): 89%. In the CMYK color model (subtractive color model used in printing), it is represented by Cyan (C): 63%, Magenta (M): 22%, Yellow (Y):0%, Black (K): 65%. In the HSL color space, #214559 has a hue of 201°, saturation of 46%, and lightness of 24%. The HSV representation is 201° for hue, 63% for saturation, and 35% for value.

In the CIE-LAB color space, the color is denoted by L* (lightness) = 28, a* (green to red) = -6, and b* (blue to yellow) = -16. The XYZ representation is X: 5, Y: 5, Z: 10. In the YUV color space, it translates to Y (luminance) = 0.2373, U (chrominance) = 0.0550, and V (chrominance) = -0.0947.

The decimal value of the color is 2180441. The closest Web-safe HEX code is #333366. Variations of the colour are #3D80A4 for a 20% lighter version and #060C0F for a 20% darker version.

For the color with hex value #214559, the correlated color temperature (CT) is estimated to be 22218 Kelvin (22218K).

The approximate wavelength of #214559 is around 489.50nm.

HEX Code214559#214559
RGB Decimal Code33, 69, 89rgb(33, 69, 89)
CMYK63, 22, 0, 65/
HSL201°, 46%, 24%hsl(201°, 46%, 24%)
HSV201°, 63%, 35%/
CIE-LAB28, -6, -16/
XYZ 5, 5, 10/
YUV0.2373, 0.0550, -0.0947/
Decimal value2180441/
Web-Safe HEX333366#333366
Color Temperature (CT)22218 Kelvin (22218K)/
Estimate Wavelengtharound 489.50nm/

The Depth and Diversity of Astronaut Blue (Hex: #214559): Exploring its Impact in Design and Culture

Astronaut Blue (#214559) is a deep blue color that resembles the majestic depths of the ocean. Its similarity to the vast cerulean sea highlights its assertive nature. This color evokes a sense of tranquility and mystery, reminiscent of a vast underwater world teeming with life. It resonates with common objects like sapphire gemstones, blue morpho butterflies, and blue jays. Astronaut Blue captures the essence of calmness and elegance, making it a perfect choice for creating a serene ambiance in design and visual content.

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Download Astronaut Blue 4K Wallpaper

Tints and Shades of #214559 HEX color (Astronaut Blue)

In color theory, tints and shades are essential for understanding the depth and luminosity of colors. A tint is achieved by adding white to a pure hue, lightening its appearance. Conversely, a shade results from blending black with a color, giving it a deeper tone. In the context of #214559, this color stands at the center between its tints and shades. While the tints get progressively lighter moving towards white (#ffffff), the shades deepen towards black (#000000).

  • #ffffff
  • #C8D1D6
  • #90A2AC
  • #597483
  • #214559
  • #193443
  • #11232D
  • #081116
  • #000000

Tones of Astronaut Blue (#214559 HEX color)

A tone is produced by adding gray to any pure hue. In the case of #214559, #475d69 is the less saturated color, while #214559 is the most saturated one.

  • #475d69
  • #3e5765
  • #345161
  • #2b4b5d
  • #214559
  • #333333
  • #262626
  • #1a1a1a
  • #0d0d0d

HTML Usage Examples

HTML using color code example

<p style="color: #214559;">This is a css example</p>

HTML / CSS Color Name using W3C

W3C HTML / CSS Color Name doesn't exist for #214559.

CSS color code example

p { color: #214559; }

Text with hexadecimal color #214559

This is a sample text with color #214559.

Background Color with #214559

This is a example with background color #214559.

Border Color with #214559

This is a example of a border with #214559.

#214559 Color Preview on White (#ffffff) Background

This is a example of text with color #214559 on white background.

#214559 Color Preview on Black (#000000) Background

This is a example of text with color #214559 on black background.

CSS codes examples

.text {color:#214559;}
.background {background-color:#214559;}
.border {border:1px solid #214559;}

Complementary Color


Analogous Colors


Split Complementary Colors


Triadic Colors


Tetradic Colors