#21211d Color Information

#21211d Color Information
Details | Shades, Tints, and Tones | Variations | Color Coordinates | Color Schemes | HTML+CSS Examples | Coding & Programming | Color Blindness | Accessibility | Related Colors

The hexadecimal value (hex value) of this color is #21211d, and its official name is Petroleum. In RGB, it consists of 12.9% Red, 12.9% Green, and 11.4% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 0% Magenta, 12.1% Yellow, and 87.1% Black. On the color wheel, its Hue is found at 60.0°, with saturation of 6.5% and lightness of 12.2%. The decimal value for #21211d is 2171165, and its nearest "web safe" color is #333333. In the RGB color space, the strongest component for #21211d is red. In the CMYK color space, its strongest component is black. And in the RYB color space, its strongest component is yellow.
  • HexHex code for this color#21211d Copy
  • NameThe common name of this colorPetroleum Copy
  • RGBRed, Green, Blue composition for this color33, 33, 29 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color12.9%, 12.9%, 11.4% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.871, 0.871, 0.886 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 0, 0.121, 0.871 Copy
  • HSLHue, Saturation, Lightness combination for this color60.0°, 6.5%, 12.2% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color60.0°, 12.1%, 12.9% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color1.393, 1.500, 1.379 Copy
  • RYBRed, Yellow, Blue composition for this color29, 33, 29 Copy
  • DecimalDecimal representation of this color's hex code2171165 Copy
  • CIE-LABCIELAB color space coordinates for this color12.607, -0.951, 2.708 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)12.607, 2.870, 109.339 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color12.607, 0.156, 2.181 Copy
  • Hunter LabHunter-Lab color space coordinates for this color12.247, -1.131, 1.899 Copy
  • xyYCIE xyY color space coordinates for this color0.326, 0.351, 1.500 Copy
  • AndroidValue of this color in Android development4280361245 / 0xff21211d Copy
  • Web SafeHex code of the nearest "web safe" version of this color#333333 Copy
Last Updated: December 1, 2024

Shades of #21211d

Shades are created by adding black to or removing lightness from a particular color. For #21211d, its pure hue is 60.0° on the color wheel and its saturation is 6.5%, and its lightness is 12.2%. As the amount of black is added to this hue and we reduce its lightness, the result is increasingly darker shades tints. The palette given below provides 9 different shades of #21211d, which — excluding black and our original color — range from #040404 to #1d1d19.

Tints of #21211d

Tints are created by adding white or lightness to a particular color. For #21211d, its pure hue is 60.0° on the color wheel and its saturation is 6.5%, and its lightness is 12.2%. As the amount of white (lightness) is added to this hue, the result is increasingly lighter tints. The following palette gives 9 different tints of #21211d, which — excluding white and our original color — range from #3d3d39 to #e3e3e3.

Tones of #21211d

Tones are the result of adding gray to a pure hue. In the case of #21211d, its pure hue is 60.0° on the color wheel and its saturation is 6.5%, so we increase this saturation to create more colorful tones, and decrease the saturation to create grayer tones. The palette shown below gives 9 different tones of #21211d, which range from #1f1f1f (the grayest / 0% saturation) to #3e3e00 (the most colorful / 100% saturation).

Variations of #21211d

There are several ways to create color variations and premutations of #21211d! For #21211d, there are 6 variations of the color that can be created by swapping its Red, Green, and Blue color positions, of which 4 are different from our original color. Among these six variations, there are 3 unique colors including our original color, #21211d. Click on these colors to learn more about them, too!

Color Coordinates of #21211d

This color, #21211d, consists of 12.9% Red, 12.9% Green, and 11.4% Blue, resulting in color coordinates Red = 33, Green = 33, Blue = 29. Likewise, the CMYK color space composition for #21211d is 0% Cyan, 0% Magenta, 12.1% Yellow, and 87.1% Black. These values are shown in the following charts and tables.

R12.9%
C0.0%
G12.9%
M0.0%
B11.4%
Y12.1%
K87.1%
Color Base R (Red) G (Green) B (Blue)
Decimal 33 33 29
Octal 41 41 35
Hexa #21 #21 #1d
Binary 00100001 00100001 00011101
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 0 12 87
Octal 0 0 14 127
Hexa #00 #00 #0c #57
Binary 00000000 00000000 00001100 01010111

Analogous Colors of #21211d

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #21211d — which has hue 60.0° — its analogous colors are located at 30.0° and 90.0° on the color wheel, with the same saturation and lightness as #21211d.

Triadic Colors of #21211d

Triadic colors are located 120 degrees away from a color's hue on the color wheel, which means the original color and its triadic colors are equidistant from one another on the color wheel and form a triangle. For #21211d — which has hue 60.0° — its triadic colors are located at 60.0° and 300.0° on the color wheel, with the same saturation and lightness as #21211d.

Complementary Color of #21211d

A complementary color is located opposite a color on the color wheel (180 degrees away). For #21211d — which has hue 60.0° — its complementary color is located at 240.0° on the color wheel, with the same saturation and lightness as #21211d.

Split Complementary Colors of #21211d

Split complementary colors are the analogs of a color's complement, which places them 210 degrees away on the color wheel from an original color. For #21211d — which has hue 60.0° — its split complementary colors its split complementary colors are located at 60.0° and 270.0° on the color wheel, with the same saturation and lightness as #21211d.

Tetradic Colors of #21211d

Tetradic colors are two sets of complementary colors on either side of a color wheel from each other, forming a rectangle on the color wheel. For #21211d — which has hue 60.0° — its tetradic colors are located at 330.0°, 60.0°, 150.0°, and 240.0° on the color wheel, with the same saturation and lightness as #21211d.

Monochromatic Colors of #21211d

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #21211d, we show 9 different monochromatic colors of it, ranging from #10100f — (which has very low saturation and very low lightness) — to #33332a (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #21211d

We want to make getting started with #21211d on your website fast and easy! Below are 8 examples of how to integrate #21211d into a website using HTML+CSS. These examples include showing how #21211d can be used to color text, backgrounds, shadows, and borders, as well as how it can be used as a solid fill or gradient fill for rectangles. These examples principally make use of <span> and <div> tags, although the CSS shown in particular can be repurposed to make use of #21211d with other HTML elements.

#21211d Foreground / Text Color

The color of this text is #21211d.
<span style="color: #21211d;">The color of this text is #21211d.</span>

#21211d Background Color

The background color for this text is #21211d.
<div style="background-color: #21211d; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #21211d.</div>

#21211d Text Shadow Color

This color for the shadow of this text is #21211d.
<span style="text-shadow: 3px 3px 3px #21211d;">This color for the shadow of this text is #21211d.</span>

#21211d Border Color

This is a div with border color #21211d.
<div style="border: #21211d 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #21211d.</div>

#21211d Color Rectangle on a White Background

This is a rectangle of color #21211d on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #21211d; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #21211d on a white background.</div></div>

#21211d Color Rectangle on a Black Background

This is a rectangle of color #21211d on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #21211d; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #21211d on a black background.</div></div>

Gradient from #21211d to White

This is a gradient from #21211d to white.
<div style="background: -webkit-linear-gradient(left,#21211d,white); /* Firefox */ background: linear-gradient(to right,#21211d,white); /* Safari */ background: -o-linear-gradient(left,#21211d,white); /* Opera */ background: -moz-linear-gradient(left,#21211d,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #21211d to white.</div>

Gradient from #21211d to Black

This is a gradient from #21211d to black.
<div style="background: -webkit-linear-gradient(left,#21211d,black); /* Firefox */ background: linear-gradient(to right,#21211d,black); /* Safari */ background: -o-linear-gradient(left,#21211d,black); /* Opera */ background: -moz-linear-gradient(left,#21211d,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #21211d to black.</div>

Coding & Programming with #21211d

In addition to using #21211d on the web, we know you might want to use it in your mobile and desktop apps, too. Whatever your needs, the table below shows how to access #21211d in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #21211d, or the RGB color coordinates for the same (Red = 33, Green = 33, Blue = 29). If you need details about the color coordinates of #21211d in other color spaces, refer to these details as provided toward the top of this page.

Language Environment Code Snippet
HTML + CSS (Hex Code) Web #21211d
HTML + CSS (RGB Code) Web rgb(33, 33, 29)
CSS Background Color Web .myclass { background-color: #21211d; }
CSS Foreground + Text Color Web .myclass { color: #21211d; }
CSS Border Color Web .myclass { border: 2px solid #21211d; }
Java (Multi-platform) new Color(33, 33, 29);
Python (Multi-platform) Color("#21211d")
Swift iOS UIColor(red:33, green:33, blue:29, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:33 green:33 blue:29 alpha:1.0000];
OpenGL (Graphics) glColor3f(33f, 33f, 29f);
C# / .NET Windows Color.FromArgb(33, 33, 29);
 

#21211d Color Blindness

Not everyone can see #21211d the same way. For those with color blindness, #21211d might look very, very different. Here, we simulate eight examples of color blindness, and how #21211d looks next to each one of them. In all cases, #21211d is placed in a circle in the upper-left corner of each of the below boxes, with the color in the rest of those boxes signifying how #21211d looks for someone with that type of color blindness. Many people will perceive close similarities between the colors in these boxes and the colors in the circles — with some noticing particular similarities. We offer this insight so that as you make choices about colors to use for your purposes, you can make an informed decision about whether #21211d will be a good fit for everyone in your audience!

Trichromacy

Protanomaly
Affects 1 in 100 Men & 1 in 10,000 Women

Deuteranomaly
Affects 1 in 17 Men & 1 in 250 Women

Tritanomaly
Affects 1 in 10,000

Dichromacy

Protanopia
Affects 1 in 100, Mostly Men

Deuteranopia
Affects 1 in 100, Mostly Men

Tritanopia
Affects 1 in 100,000

Monochromacy

Achromatopsia
Affects 1 in 20,000

Achromatopsia
Affects 1 in 100,000

Accessibility

Accessibility Recommended

We analyzed whether #21211d is an accessible color when used as a text / foreground color against a white background. This analysis is based on the Web Content Accessibility Guidelines (WCAG) 2 Level issued by W3C. Based on this analysis, we calculate a contrast ratio against white of approximately 16.2:1 against white. This is a high enough ratio to be considered accessible under both the AA and AAA level standards for either normal size or large text.

WCAG AA
Normal Size Text

WCAG AA
Large Size Text

WCAG AAA
Normal Size Text

WCAG AAA
Large Size Text