Color Mallard Blue aqua-blue (#3f6378):
HEX, RGB color codes for HTML and CSS

The Comprehensive Guide to Mallard Blue aqua-blue (#3f6378):
Its Meaning and Harmonious Color Matches in Design.

Mallard Blue is a color with a HTML hex code of #3f6378.

Hue Family:

aqua-blues Family:

moderately saturated

colorful tone




medium chroma

Color Information about Mallard Blue / #3f6378

The HTML HEX code is #3f6378. The corresponding color name is "Mallard Blue". In RGB values (additive color space used for Digital Displays), this HEX code translates to Red (R): 63%, Green (G): 99%, Blue (B): 120%. In the CMYK color model (subtractive color model used in printing), it is represented by Cyan (C): 48%, Magenta (M): 18%, Yellow (Y):0%, Black (K): 53%. In the HSL color space, #3f6378 has a hue of 202°, saturation of 31%, and lightness of 36%. The HSV representation is 202° for hue, 48% for saturation, and 47% for value.

In the CIE-LAB color space, the color is denoted by L* (lightness) = 40, a* (green to red) = -7, and b* (blue to yellow) = -16. The XYZ representation is X: 10, Y: 11, Z: 19. In the YUV color space, it translates to Y (luminance) = 0.3554, U (chrominance) = 0.0567, and V (chrominance) = -0.0951.

The decimal value of the color is 4154232. The closest Web-safe HEX code is #336666. Variations of the colour are #6C98B2 for a 20% lighter version and #1C2C35 for a 20% darker version.

For the color with hex value #3f6378, the correlated color temperature (CT) is estimated to be 15614 Kelvin (15614K).

The approximate wavelength of #3f6378 is around 489.00nm.

HEX Code3f6378#3f6378
RGB Decimal Code63, 99, 120rgb(63, 99, 120)
CMYK48, 18, 0, 53/
HSL202°, 31%, 36%hsl(202°, 31%, 36%)
HSV202°, 48%, 47%/
CIE-LAB40, -7, -16/
XYZ 10, 11, 19/
YUV0.3554, 0.0567, -0.0951/
Decimal value4154232/
Web-Safe HEX336666#336666
Color Temperature (CT)15614 Kelvin (15614K)/
Estimate Wavelengtharound 489.00nm/

The Depth and Diversity of Mallard Blue (Hex: #3f6378): Exploring its Impact in Design and Culture

The hex color #3f6378, also known as Mallard Blue, is a deep and rich blue that resembles the color of a mallard ducks feathers. This color evokes a sense of tranquility and nature, similar to the calm waters of a serene lake or the vast expanse of the open sky on a clear day. Mallard Blue can be compared to the cool tones of the ocean or the shadows cast by towering trees in a dense forest. It is a color that brings to mind the peacefulness and beauty of natural elements.

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Tints and Shades of #3f6378 HEX color (Mallard 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 #3f6378, 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
  • #CFD8DD
  • #9FB1BC
  • #6F8A9A
  • #3f6378
  • #2F4A5A
  • #20323C
  • #10191E
  • #000000

Tones of Mallard Blue (#3f6378 HEX color)

A tone is produced by adding gray to any pure hue. In the case of #3f6378, #596f7b is the less saturated color, while #3f6378 is the most saturated one.

  • #596f7b
  • #536c7a
  • #4c697a
  • #466679
  • #3f6378
  • #333333
  • #262626
  • #1a1a1a
  • #0d0d0d

HTML Usage Examples

HTML using color code example

<p style="color: #3f6378;">This is a css example</p>

HTML / CSS Color Name using W3C

W3C HTML / CSS Color Name doesn't exist for #3f6378.

CSS color code example

p { color: #3f6378; }

Text with hexadecimal color #3f6378

This is a sample text with color #3f6378.

Background Color with #3f6378

This is a example with background color #3f6378.

Border Color with #3f6378

This is a example of a border with #3f6378.

#3f6378 Color Preview on White (#ffffff) Background

This is a example of text with color #3f6378 on white background.

#3f6378 Color Preview on Black (#000000) Background

This is a example of text with color #3f6378 on black background.

CSS codes examples

.text {color:#3f6378;}
.background {background-color:#3f6378;}
.border {border:1px solid #3f6378;}

Complementary Color


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Tetradic Colors