#181b4e Color Information

#181b4e 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 #181b4e. In RGB, it consists of 9.4% Red, 10.6% Green, and 30.6% Blue. Likewise, in the CMYK color space, it consists of 69.2% Cyan, 65.4% Magenta, 0% Yellow, and 69.4% Black. On the color wheel, its Hue is found at 236.7°, with saturation of 52.9% and lightness of 20%. The decimal value for #181b4e is 1579854, and its nearest "web safe" color is #003366. In the RGB color space, the strongest component for #181b4e 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#181b4e Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color24, 27, 78 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color9.4%, 10.6%, 30.6% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.906, 0.894, 0.694 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.692, 0.654, 0, 0.694 Copy
  • HSLHue, Saturation, Lightness combination for this color236.7°, 52.9%, 20.0% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color236.7°, 69.2%, 30.6% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color2.144, 1.528, 7.390 Copy
  • RYBRed, Yellow, Blue composition for this color24, 27, 78 Copy
  • DecimalDecimal representation of this color's hex code1579854 Copy
  • CIE-LABCIELAB color space coordinates for this color12.786, 17.195, -31.950 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)12.786, 36.283, 298.288 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color12.786, -2.708, -29.448 Copy
  • Hunter LabHunter-Lab color space coordinates for this color12.362, 9.323, -26.790 Copy
  • xyYCIE xyY color space coordinates for this color0.194, 0.138, 1.528 Copy
  • AndroidValue of this color in Android development4279769934 / 0xff181b4e Copy
  • Web SafeHex code of the nearest "web safe" version of this color#003366 Copy
Last Updated: March 27, 2024

Shades of #181b4e

Shades are created by adding black to or removing lightness from a particular color. For #181b4e, its pure hue is 236.7° on the color wheel and its saturation is 52.9%, and its lightness is 20.0%. 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 #181b4e, which — excluding black and our original color — range from #03030a to #151844.

Tints of #181b4e

Tints are created by adding white or lightness to a particular color. For #181b4e, its pure hue is 236.7° on the color wheel and its saturation is 52.9%, and its lightness is 20.0%. 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 #181b4e, which — excluding white and our original color — range from #353864 to #e2e3e9.

Tones of #181b4e

Tones are the result of adding gray to a pure hue. In the case of #181b4e, its pure hue is 236.7° on the color wheel and its saturation is 52.9%, 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 #181b4e, which range from #333333 (the grayest / 0% saturation) to #000666 (the most colorful / 100% saturation).

Variations of #181b4e

There are several ways to create color variations and premutations of #181b4e! For #181b4e, 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, #181b4e. Click on these colors to learn more about them, too!

Color Coordinates of #181b4e

This color, #181b4e, consists of 9.4% Red, 10.6% Green, and 30.6% Blue, resulting in color coordinates Red = 24, Green = 27, Blue = 78. Likewise, the CMYK color space composition for #181b4e is 69.2% Cyan, 65.4% Magenta, 0% Yellow, and 69.4% Black. These values are shown in the following charts and tables.

R9.4%
C69.2%
G10.6%
M65.4%
B30.6%
Y0.0%
K69.4%
Color Base R (Red) G (Green) B (Blue)
Decimal 24 27 78
Octal 30 33 116
Hexa #18 #1b #4e
Binary 00011000 00011011 01001110
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 69 65 0 69
Octal 105 101 0 105
Hexa #45 #41 #00 #45
Binary 01000101 01000001 00000000 01000101

Analogous Colors of #181b4e

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #181b4e — which has hue 236.7° — its analogous colors are located at 206.7° and 266.7° on the color wheel, with the same saturation and lightness as #181b4e.

Triadic Colors of #181b4e

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 #181b4e — which has hue 236.7° — its triadic colors are located at 116.7° and 356.7° on the color wheel, with the same saturation and lightness as #181b4e.

Complementary Color of #181b4e

A complementary color is located opposite a color on the color wheel (180 degrees away). For #181b4e — which has hue 236.7° — its complementary color is located at 56.7° on the color wheel, with the same saturation and lightness as #181b4e.

Split Complementary Colors of #181b4e

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 #181b4e — which has hue 236.7° — its split complementary colors its split complementary colors are located at 26.7° and 236.7° on the color wheel, with the same saturation and lightness as #181b4e.

Tetradic Colors of #181b4e

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 #181b4e — which has hue 236.7° — its tetradic colors are located at 146.7°, 236.7°, 326.7°, and 56.7° on the color wheel, with the same saturation and lightness as #181b4e.

Monochromatic Colors of #181b4e

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #181b4e, we show 9 different monochromatic colors of it, ranging from #121321 — (which has very low saturation and very low lightness) — to #121987 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #181b4e

We want to make getting started with #181b4e on your website fast and easy! Below are 8 examples of how to integrate #181b4e into a website using HTML+CSS. These examples include showing how #181b4e 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 #181b4e with other HTML elements.

#181b4e Foreground / Text Color

The color of this text is #181b4e.
<span style="color: #181b4e;">The color of this text is #181b4e.</span>

#181b4e Background Color

The background color for this text is #181b4e.
<div style="background-color: #181b4e; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #181b4e.</div>

#181b4e Text Shadow Color

This color for the shadow of this text is #181b4e.
<span style="text-shadow: 3px 3px 3px #181b4e;">This color for the shadow of this text is #181b4e.</span>

#181b4e Border Color

This is a div with border color #181b4e.
<div style="border: #181b4e 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #181b4e.</div>

#181b4e Color Rectangle on a White Background

This is a rectangle of color #181b4e on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #181b4e; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #181b4e on a white background.</div></div>

#181b4e Color Rectangle on a Black Background

This is a rectangle of color #181b4e on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #181b4e; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #181b4e on a black background.</div></div>

Gradient from #181b4e to White

This is a gradient from #181b4e to white.
<div style="background: -webkit-linear-gradient(left,#181b4e,white); /* Firefox */ background: linear-gradient(to right,#181b4e,white); /* Safari */ background: -o-linear-gradient(left,#181b4e,white); /* Opera */ background: -moz-linear-gradient(left,#181b4e,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #181b4e to white.</div>

Gradient from #181b4e to Black

This is a gradient from #181b4e to black.
<div style="background: -webkit-linear-gradient(left,#181b4e,black); /* Firefox */ background: linear-gradient(to right,#181b4e,black); /* Safari */ background: -o-linear-gradient(left,#181b4e,black); /* Opera */ background: -moz-linear-gradient(left,#181b4e,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #181b4e to black.</div>

Coding & Programming with #181b4e

In addition to using #181b4e 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 #181b4e in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #181b4e, or the RGB color coordinates for the same (Red = 24, Green = 27, Blue = 78). If you need details about the color coordinates of #181b4e 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 #181b4e
HTML + CSS (RGB Code) Web rgb(24, 27, 78)
CSS Background Color Web .myclass { background-color: #181b4e; }
CSS Foreground + Text Color Web .myclass { color: #181b4e; }
CSS Border Color Web .myclass { border: 2px solid #181b4e; }
Java (Multi-platform) new Color(24, 27, 78);
Python (Multi-platform) Color("#181b4e")
Swift iOS UIColor(red:24, green:27, blue:78, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:24 green:27 blue:78 alpha:1.0000];
OpenGL (Graphics) glColor3f(24f, 27f, 78f);
C# / .NET Windows Color.FromArgb(24, 27, 78);
 

#181b4e Color Blindness

Not everyone can see #181b4e the same way. For those with color blindness, #181b4e might look very, very different. Here, we simulate eight examples of color blindness, and how #181b4e looks next to each one of them. In all cases, #181b4e 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 #181b4e 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 #181b4e 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 #181b4e 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 16.1:1 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