Shades are created by adding black to or removing lightness from a particular color. For #181a21, its pure hue is 226.7° on the color wheel and its saturation is 15.8%, and its lightness is 11.2%. 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 #181a21, which — excluding black and our original color — range from #030304 to #15171d.
The hexadecimal value (hex value) of this color is #181a21. In RGB, it consists of 9.4% Red, 10.2% Green, and 12.9% Blue. Likewise, in the CMYK color space, it consists of 27.3% Cyan, 21.2% Magenta, 0% Yellow, and 87.1% Black. On the color wheel, its Hue is found at 226.7°, with saturation of 15.8% and lightness of 11.2%. The decimal value for #181a21 is 1579553, and its nearest "web safe" color is #003333. In the RGB color space, the strongest component for #181a21 is blue. In the CMYK color space, its strongest component is black. And in the RYB color space, its strongest component is blue.
- HexHex code for this color
- NameThe common name of this color
- RGBRed, Green, Blue composition for this color
- RGB PercentPercent Red, Green, Blue composition for this color
- CMYCyan, Magenta, Yellow composition for this color
- CMYKCyan, Magenta, Yellow, Black composition for this color
- HSLHue, Saturation, Lightness combination for this color
- HSV (or HSB)Hue, Saturation, Brightness combination for this color
- XYZCIE 1931 color space XYZ coordinates for this color
- RYBRed, Yellow, Blue composition for this color
- DecimalDecimal representation of this color's hex code
- CIE-LABCIELAB color space coordinates for this color
- CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)
- CIE-LUVCIE-LUV color space coordinates for this color
- Hunter LabHunter-Lab color space coordinates for this color
- xyYCIE xyY color space coordinates for this color
- AndroidValue of this color in Android development
- Web SafeHex code of the nearest "web safe" version of this color
Tints of #181a21
Tints are created by adding white or lightness to a particular color. For #181a21, its pure hue is 226.7° on the color wheel and its saturation is 15.8%, and its lightness is 11.2%. 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 #181a21, which — excluding white and our original color — range from #35373d to #e2e2e3.
Tones of #181a21
Tones are the result of adding gray to a pure hue. In the case of #181a21, its pure hue is 226.7° on the color wheel and its saturation is 15.8%, 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 #181a21, which range from #1d1d1d (the grayest / 0% saturation) to #000d39 (the most colorful / 100% saturation).
Variations of #181a21
There are several ways to create color variations and premutations of #181a21! For #181a21, there are 6 variations of the color that can be created by swapping its Red, Green, and Blue color positions, of which 5 are different from our original color. Among these six variations, there are 6 unique colors including our original color, #181a21. Click on these colors to learn more about them, too!
Color Coordinates of #181a21
This color, #181a21, consists of 9.4% Red, 10.2% Green, and 12.9% Blue, resulting in color coordinates Red = 24, Green = 26, Blue = 33. Likewise, the CMYK color space composition for #181a21 is 27.3% Cyan, 21.2% Magenta, 0% Yellow, and 87.1% Black. These values are shown in the following charts and tables.
Color Base | R (Red) | G (Green) | B (Blue) |
---|---|---|---|
Decimal | 24 | 26 | 33 |
Octal | 30 | 32 | 41 |
Hexa | #18 | #1a | #21 |
Binary | 00011000 | 00011010 | 00100001 |
Color Base | C (Cyan) | M (Magenta) | Y (Yellow) | Y (Black) |
---|---|---|---|---|
Decimal | 27 | 21 | 0 | 87 |
Octal | 33 | 25 | 0 | 127 |
Hexa | #1b | #15 | #00 | #57 |
Binary | 00011011 | 00010101 | 00000000 | 01010111 |
Analogous Colors of #181a21
Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #181a21 — which has hue 226.7° — its analogous colors are located at 196.7° and 256.7° on the color wheel, with the same saturation and lightness as #181a21.
Triadic Colors of #181a21
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 #181a21 — which has hue 226.7° — its triadic colors are located at 106.7° and 346.7° on the color wheel, with the same saturation and lightness as #181a21.
Complementary Color of #181a21
A complementary color is located opposite a color on the color wheel (180 degrees away). For #181a21 — which has hue 226.7° — its complementary color is located at 46.7° on the color wheel, with the same saturation and lightness as #181a21.
Split Complementary Colors of #181a21
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 #181a21 — which has hue 226.7° — its split complementary colors its split complementary colors are located at 16.7° and 226.7° on the color wheel, with the same saturation and lightness as #181a21.
Tetradic Colors of #181a21
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 #181a21 — which has hue 226.7° — its tetradic colors are located at 136.7°, 226.7°, 316.7°, and 46.7° on the color wheel, with the same saturation and lightness as #181a21.
Monochromatic Colors of #181a21
Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #181a21, we show 9 different monochromatic colors of it, ranging from #0d0e0f — (which has very low saturation and very low lightness) — to #212535 (which has a very high saturation and very high lightness).
HTML+CSS Examples & Previews of #181a21
We want to make getting started with #181a21 on your website fast and easy! Below are 8 examples of how to integrate #181a21 into a website using HTML+CSS. These examples include showing how #181a21 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 #181a21 with other HTML elements.
#181a21 Foreground / Text Color
<span style="color: #181a21;">The color of this text is #181a21.</span>
#181a21 Background Color
<div style="background-color: #181a21; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #181a21.</div>
#181a21 Text Shadow Color
<span style="text-shadow: 3px 3px 3px #181a21;">This color for the shadow of this text is #181a21.</span>
#181a21 Border Color
<div style="border: #181a21 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #181a21.</div>
#181a21 Color Rectangle on a White Background
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #181a21; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #181a21 on a white background.</div></div>
#181a21 Color Rectangle on a Black Background
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #181a21; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #181a21 on a black background.</div></div>
Gradient from #181a21 to White
<div style="background: -webkit-linear-gradient(left,#181a21,white); /* Firefox */ background: linear-gradient(to right,#181a21,white); /* Safari */ background: -o-linear-gradient(left,#181a21,white); /* Opera */ background: -moz-linear-gradient(left,#181a21,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #181a21 to white.</div>
Gradient from #181a21 to Black
<div style="background: -webkit-linear-gradient(left,#181a21,black); /* Firefox */ background: linear-gradient(to right,#181a21,black); /* Safari */ background: -o-linear-gradient(left,#181a21,black); /* Opera */ background: -moz-linear-gradient(left,#181a21,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #181a21 to black.</div>
Coding & Programming with #181a21
In addition to using #181a21 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 #181a21 in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #181a21, or the RGB color coordinates for the same (Red = 24, Green = 26, Blue = 33). If you need details about the color coordinates of #181a21 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 | #181a21 |
HTML + CSS (RGB Code) | Web | rgb(24, 26, 33) |
CSS Background Color | Web | .myclass { background-color: #181a21; } |
CSS Foreground + Text Color | Web | .myclass { color: #181a21; } |
CSS Border Color | Web | .myclass { border: 2px solid #181a21; } |
Java | (Multi-platform) | new Color(24, 26, 33); |
Python | (Multi-platform) | Color("#181a21") |
Swift | iOS | UIColor(red:24, green:26, blue:33, alpha:1.0000) |
Objective-C (iOS) | iOS | [UIColor colorWithRed:24 green:26 blue:33 alpha:1.0000]; |
OpenGL | (Graphics) | glColor3f(24f, 26f, 33f); |
C# / .NET | Windows | Color.FromArgb(24, 26, 33); |
#181a21 Color Blindness
Not everyone can see #181a21 the same way. For those with color blindness, #181a21 might look very, very different. Here, we simulate eight examples of color blindness, and how #181a21 looks next to each one of them. In all cases, #181a21 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 #181a21 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 #181a21 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
Accessibility Recommended
We analyzed whether #181a21 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 17.4:1 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.