Color Twilight Blue aqua-blue (#0a437a):
HEX, RGB color codes for HTML and CSS

The Comprehensive Guide to Twilight Blue aqua-blue (#0a437a):
Its Meaning and Harmonious Color Matches in Design.

Twilight Blue is a color with a HTML hex code of #0a437a.

Hue Family:

aqua-blues Family:

highly saturated

colorful tone




medium chroma

Color Information about Twilight Blue / #0a437a

The HTML HEX code is #0a437a. The corresponding color name is "Twilight Blue". In RGB values (additive color space used for Digital Displays), this HEX code translates to Red (R): 10%, Green (G): 67%, Blue (B): 122%. In the CMYK color model (subtractive color model used in printing), it is represented by Cyan (C): 92%, Magenta (M): 45%, Yellow (Y):0%, Black (K): 52%. In the HSL color space, #0a437a has a hue of 209°, saturation of 85%, and lightness of 26%. The HSV representation is 209° for hue, 92% for saturation, and 48% for value.

In the CIE-LAB color space, the color is denoted by L* (lightness) = 28, a* (green to red) = 5, and b* (blue to yellow) = -36. The XYZ representation is X: 6, Y: 5, Z: 19. In the YUV color space, it translates to Y (luminance) = 0.2205, U (chrominance) = 0.1269, and V (chrominance) = -0.1590.

The decimal value of the color is 672634. The closest Web-safe HEX code is #003366. Variations of the colour are #1279D9 for a 20% lighter version and #02101C for a 20% darker version.

For the color with hex value #0a437a, the correlated color temperature (CT) is estimated to be -9347764 Kelvin (-9347764K).

The approximate wavelength of #0a437a is around 485.50nm.

HEX Code0a437a#0a437a
RGB Decimal Code10, 67, 122rgb(10, 67, 122)
CMYK92, 45, 0, 52/
HSL209°, 85%, 26%hsl(209°, 85%, 26%)
HSV209°, 92%, 48%/
CIE-LAB28, 5, -36/
XYZ 6, 5, 19/
YUV0.2205, 0.1269, -0.1590/
Decimal value672634/
Web-Safe HEX003366#003366
Color Temperature (CT)-9347764 Kelvin (-9347764K)/
Estimate Wavelengtharound 485.50nm/

The Depth and Diversity of Twilight Blue (Hex: #0a437a): Exploring its Impact in Design and Culture

Twilight Blue (#0a437a) is similar to the deep hue of the midnight sky, just before the arrival of dawn. It evokes a serene and mysterious ambiance, reminiscent of a moonlit ocean or a quiet forest at night. Like the reflection of stars on calm waters, this color imparts an aura of tranquility and elegance. It can serve as a captivating background for luxury brands, travel websites, or art galleries. When paired with silver accents, it creates a sophisticated and enchanting atmosphere that is sure to captivate the audience.

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Tints and Shades of #0a437a HEX color (Twilight 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 #0a437a, 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
  • #C2D0DE
  • #85A1BD
  • #47729B
  • #0a437a
  • #08325C
  • #05223D
  • #03111F
  • #000000

Tones of Twilight Blue (#0a437a HEX color)

A tone is produced by adding gray to any pure hue. In the case of #0a437a, #395b7c is the less saturated color, while #0a437a is the most saturated one.

  • #395b7c
  • #2d557c
  • #224f7b
  • #16497b
  • #0a437a
  • #333333
  • #262626
  • #1a1a1a
  • #0d0d0d

HTML Usage Examples

HTML using color code example

<p style="color: #0a437a;">This is a css example</p>

HTML / CSS Color Name using W3C

W3C HTML / CSS Color Name doesn't exist for #0a437a.

CSS color code example

p { color: #0a437a; }

Text with hexadecimal color #0a437a

This is a sample text with color #0a437a.

Background Color with #0a437a

This is a example with background color #0a437a.

Border Color with #0a437a

This is a example of a border with #0a437a.

#0a437a Color Preview on White (#ffffff) Background

This is a example of text with color #0a437a on white background.

#0a437a Color Preview on Black (#000000) Background

This is a example of text with color #0a437a on black background.

CSS codes examples

.text {color:#0a437a;}
.background {background-color:#0a437a;}
.border {border:1px solid #0a437a;}

Complementary Color


Analogous Colors


Split Complementary Colors


Triadic Colors


Tetradic Colors