2020 Colors
A comprehensive guide to hex color #00003f

About hex color #00003f - near-Cetacean blue

Hex color #00003f is close to the color named "Cetacean blue". It's described as "blue". When humans think of blue in ads, the following may come to mind: water, appetite-curbing, human life, energy, and maturity. The color typically isn't associated with clothing. Disney XD is using a color close to Cetacean blue in their branding. (Explore brands using Cetacean blue).

In RGB colorspace, the hexadecimal color #00003f is created using 0% red, 0% green, and 24.7% blue. In CMYK colorspace, you can make the color using 100% cyan, 100% magenta, 0% yellow, and 75.3% black.

RGB Composition
    R   G   B    
CMYK Composition
  C   M   Y   K  

#00003f is made up of R: 0, G: 0, B: 63 in RGB colorspace and C: 100, M:100, Y:0, K:75.29 in CMYK colorspace. Its decimal value is 63 and the closest web-safe color code to it is #000033. Its closest named color is "Cetacean blue". White should be used ontop of #00003f to ensure the best legibility.

Here's a color conversion chart. It contains technical information about the hex color #00003f. If you're a programmer, view the code snippets section for prepared language syntax.

hex #00003f
Websafe hex #000033
rgb 0, 0, 63
rgb percent (%) 0%, 0%, 24.61%
rgba R: 0, G: 0, B: 63, A: 1.0
CMYK C: 100, M:100, Y:0, K:75.29
hsv 240, 100, 12.35
hsb 240, 100, 24.71
luma 7.119
Black or white text? #ffffff
Adobe RGB 1, 0, 64
Closest named color Cetacean blue
Hunter-Lab 5.99, 16.83, -44.54
CIE-L*ab 3.24, 22.73, -37.1
CIE-L*Ch(ab) 3.24, 43.51, 301.49
CIE-L*uv 3.24, -0.94, -13.08°

Some colors work better together. Here, you'll find color harmonies and schemes specific to the hex color #00003f. These color palettes have been mathematically proven to pair well in designs.


The Complimentary color scheme is made up of two colors. These two colors are opposite one another in the color spectrum. The first color is called the "base" #00003f and the second color is called the "compliment" #3f3f00.

Design Tip: Complimentary colors do the job if you want an element to really stand out!


Split Complimentary

The Split Complimentary color scheme is made up of three colors. The base color #00003f is paired with the two colors to the left and the right of compliment color #3f3f00.

Design Tip: The Split Complimentary color scheme offers most of the contrast of the Complimentary Color scheme but without being as intense.



The Triadic color scheme is made up of three colors. When viewed on a color wheel, all three colors are spaced evenly (120°) apart.

Design Tip: This color scheme tends to produce colors that are quite vibrant, regardless of saturation.



The Tetradic color scheme is made up of four colors. When viewed on a color wheel, all four colors are spaced evenly (90°) apart.

Design Tip: Find balance between the warm and cold colors if you desire to use the Tetradic color scheme in your design.



The Analagous color scheme is made up of three colors. The three colors sit next to one another on the color wheel. The palette is made in similar fashion to how the Split Complimentary palette is made. However, the two secondary colors are adjacent to the base, not the compliment.

Design Tip: Analagous colors often appear in nature. If you're designing with the outdoors in mind, keep this color harmony at your disposal.


When designing or marketing products, especially on a worldwide platform like Amazon, color is important. This section contains links to Amazon products that have some relation to one of the attributes of the color #00003f: "human life".

Please note that 2020 Colours will receive commission for purchases made through the affiliate links above. This page's Amazon links are paid advertisements and are not endoresements or reviews of the product.

Seeing darker, lighter, and tinted variations of the hex color #00003f can help you with your creative processes. Remember, you can click on a color to be taken to its own page full of unique color information.

Darker shades

Darker shades are produced by blending #00003f with black #000000.


Lighter shades

Lighter shades are produced by blending #00003f with white #FFFFFF.



Tones are produced by blending #00003f with gray #808080.


A color gradient may also be known as color progression or a color ramp. A gradient is the gradual transition of one color into another. This section showcases gradients featuring #00003f as the base color. The secondary colors come from the Color Harmonies section above.

Below each gradient is the CSS color code that was used to create it. You can copy and paste it so it can be used in designs of your own.

For more information on how to apply gradients, visit the w3schools.com page on CSS gradients.

Seeing #00003f on a computer or phone screen is much different than how it may appear in the real world. Shown here are 20 different environment types and how #00003f could potentially look inside each of them, given perfect conditions. For example, #00003f appears as #0b003c when in northern sky daylight and as #000147 when in cool fluorescent.

Old direct sunlight at noon
Old daylight
ICC profile PCS
Mid-morning daylight
Daylight, sRGB, Adobe-RGB
North sky daylight
Equal energy
Daylight Fluorescent
Cool fluorescent
White Fluorescent
Warm White Fluorescent
Daylight Fluorescent
Lite White Fluorescent
Daylight fluorescent, D65 simulator
Sylvania F40, D50 simulator
Cool White Fluorescent
Ultralume 50, Philips TL85
Ultralume 40, Philips TL84
Ultralume 30, Philips TL83
Data used in calculating these colors comes courtesy of Easy RGB.

Colors that have names have reached a point of status where they're more than just a hex code: they're real-world associated. View a list of all 1,500+ named colors.

Closest named colors to #00003f

#00003f might be precisely the color you're looking for. But, the colors below are a close match. What's better is that they're named colors, meaning chances are there's more information about them. If you feel like taking a slight deviation in hue, click a color below to learn about why it's so unique.

Cetacean blue
Maastricht Blue
Oxford blue
French Middle Red Purple
Chinese black
Royal blue
Eerie black
Prussian blue

Furthest named colors to #00003f

Looking for something completely different? Try a well-documented complimentary color. The named colors below have been calculated to be the furthest colors from #00003f. Click on the colors to explore their unique information.

Baby powder
Mint cream

Colors are important to brands and the messages they convey. Brand recognition and colors go hand-in-hand. Knowing what brands are using #00003f, or a color similar, can help you in determining whether the color is appropriate to your design.

Disney XD uses the color #0d0735

Brand data comes courtesy of Brand Colors. Brands linked may not be suitable for all ages and in no way affiliated with 2020 Colors.

Here you can easily copy-and-paste formatted color code for use with your favorite programming/markup languages like HTML/CSS, Java, Objective-C, and GameMaker Language.

HTML, CSS #00003f
Java new Color(0, 0, 63)
.NET Color.FromArgb(255, 0, 0, 63);
Objective-C [UIColor colorWithRed:0 green:0 blue:0.2471 alpha:1.00000];
OpenGL glColor3f(0f, 0f, 0.2471f);
Swift UIColor(red:0, green:0, blue:0.2471, alpha:1.00000)
GameMaker Language (GML) $3F0000
Python Color('#00003f')

This useful chart contains technical information about the hexadecimal color #00003f. For example, the direct decimal conversion is 63 while the individual RGB conversions are: 0, 0, 63.


If you're considering using #00003f in a logo or design, you can quickly reference below to see how various symbols, icons, and emblems look.

Icons courtesy of Font Awesome.

We learned earlier that White-colored text should be used on a #00003f colored background for best readability. But, you can be the judge of that by looking at the examples below.

This text is hex color #00003f on a solid black (#000000) background.

This text is hex color #00003f on a solid white (#ffffff) background.

This text is solid black (#000000) on a solid hex color #00003f background.

This text is solid white (#ffffff) on a solid hex color #00003f background.

This text is hex color #00003f on a striped black (#000000) and white (#ffffff) background.

This text is hex color #00003f on a striped gray (#808080) and white (#ffffff) background.

This text is solid black (#000000) on a striped hex color #00003f and white (#ffffff) background.

This text is solid white (#ffffff) on a striped hex color #00003f and white (#ffffff) background.

Patterns courtesy of Hero Patterns.

If you're a web developer, you might find it useful to see elements like buttons and check boxes in the color #00003f.


The HTML and CSS used to create these elements comes from w3schools.com.
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