#151daa Color Information

#151daa 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 #151daa. In RGB, it consists of 8.2% Red, 11.4% Green, and 66.7% Blue. Likewise, in the CMYK color space, it consists of 87.6% Cyan, 82.9% Magenta, 0% Yellow, and 33.3% Black. On the color wheel, its Hue is found at 236.8°, with saturation of 78% and lightness of 37.5%. The decimal value for #151daa is 1383850, and its nearest "web safe" color is #003399. In the RGB color space, the strongest component for #151daa is blue. In the CMYK color space, its strongest component is cyan. And in the RYB color space, its strongest component is blue.
  • HexHex code for this color#151daa Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color21, 29, 170 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color8.2%, 11.4%, 66.7% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.918, 0.886, 0.333 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.876, 0.829, 0, 0.333 Copy
  • HSLHue, Saturation, Lightness combination for this color236.8°, 78.0%, 37.5% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color236.8°, 87.6%, 66.7% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color8.004, 3.940, 38.369 Copy
  • RYBRed, Yellow, Blue composition for this color21, 29, 170 Copy
  • DecimalDecimal representation of this color's hex code1383850 Copy
  • CIE-LABCIELAB color space coordinates for this color23.473, 49.018, -73.208 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)23.473, 88.103, 303.805 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color23.473, -6.753, -83.525 Copy
  • Hunter LabHunter-Lab color space coordinates for this color19.850, 37.238, -100.706 Copy
  • xyYCIE xyY color space coordinates for this color0.159, 0.078, 3.940 Copy
  • AndroidValue of this color in Android development4279573930 / 0xff151daa Copy
  • Web SafeHex code of the nearest "web safe" version of this color#003399 Copy
Last Updated: June 2, 2025

Shades of #151daa

Shades are created by adding black to or removing lightness from a particular color. For #151daa, its pure hue is 236.8° on the color wheel and its saturation is 78.0%, and its lightness is 37.5%. 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 #151daa, which — excluding black and our original color — range from #030415 to #121995.

Tints of #151daa

Tints are created by adding white or lightness to a particular color. For #151daa, its pure hue is 236.8° on the color wheel and its saturation is 78.0%, and its lightness is 37.5%. 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 #151daa, which — excluding white and our original color — range from #3239b5 to #e2e3f4.

Tones of #151daa

Tones are the result of adding gray to a pure hue. In the case of #151daa, its pure hue is 236.8° on the color wheel and its saturation is 78.0%, 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 #151daa, which range from #606060 (the grayest / 0% saturation) to #000abf (the most colorful / 100% saturation).

Variations of #151daa

There are several ways to create color variations and premutations of #151daa! For #151daa, 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, #151daa. Click on these colors to learn more about them, too!

Color Coordinates of #151daa

This color, #151daa, consists of 8.2% Red, 11.4% Green, and 66.7% Blue, resulting in color coordinates Red = 21, Green = 29, Blue = 170. Likewise, the CMYK color space composition for #151daa is 87.6% Cyan, 82.9% Magenta, 0% Yellow, and 33.3% Black. These values are shown in the following charts and tables.

R8.2%
C87.6%
G11.4%
M82.9%
B66.7%
Y0.0%
K33.3%
Color Base R (Red) G (Green) B (Blue)
Decimal 21 29 170
Octal 25 35 252
Hexa #15 #1d #aa
Binary 00010101 00011101 10101010
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 87 82 0 33
Octal 127 122 0 41
Hexa #57 #52 #00 #21
Binary 01010111 01010010 00000000 00100001

Analogous Colors of #151daa

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #151daa — which has hue 236.8° — its analogous colors are located at 206.8° and 266.8° on the color wheel, with the same saturation and lightness as #151daa.

Triadic Colors of #151daa

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 #151daa — which has hue 236.8° — its triadic colors are located at 116.8° and 356.8° on the color wheel, with the same saturation and lightness as #151daa.

Complementary Color of #151daa

A complementary color is located opposite a color on the color wheel (180 degrees away). For #151daa — which has hue 236.8° — its complementary color is located at 56.8° on the color wheel, with the same saturation and lightness as #151daa.

Split Complementary Colors of #151daa

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 #151daa — which has hue 236.8° — its split complementary colors its split complementary colors are located at 26.8° and 236.8° on the color wheel, with the same saturation and lightness as #151daa.

Tetradic Colors of #151daa

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 #151daa — which has hue 236.8° — its tetradic colors are located at 146.8°, 236.8°, 326.8°, and 56.8° on the color wheel, with the same saturation and lightness as #151daa.

Monochromatic Colors of #151daa

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #151daa, we show 9 different monochromatic colors of it, ranging from #101350 — (which has very low saturation and very low lightness) — to #2c36f3 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #151daa

We want to make getting started with #151daa on your website fast and easy! Below are 8 examples of how to integrate #151daa into a website using HTML+CSS. These examples include showing how #151daa 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 #151daa with other HTML elements.

#151daa Foreground / Text Color

The color of this text is #151daa.
<span style="color: #151daa;">The color of this text is #151daa.</span>

#151daa Background Color

The background color for this text is #151daa.
<div style="background-color: #151daa; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #151daa.</div>

#151daa Text Shadow Color

This color for the shadow of this text is #151daa.
<span style="text-shadow: 3px 3px 3px #151daa;">This color for the shadow of this text is #151daa.</span>

#151daa Border Color

This is a div with border color #151daa.
<div style="border: #151daa 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #151daa.</div>

#151daa Color Rectangle on a White Background

This is a rectangle of color #151daa on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #151daa; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #151daa on a white background.</div></div>

#151daa Color Rectangle on a Black Background

This is a rectangle of color #151daa on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #151daa; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #151daa on a black background.</div></div>

Gradient from #151daa to White

This is a gradient from #151daa to white.
<div style="background: -webkit-linear-gradient(left,#151daa,white); /* Firefox */ background: linear-gradient(to right,#151daa,white); /* Safari */ background: -o-linear-gradient(left,#151daa,white); /* Opera */ background: -moz-linear-gradient(left,#151daa,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #151daa to white.</div>

Gradient from #151daa to Black

This is a gradient from #151daa to black.
<div style="background: -webkit-linear-gradient(left,#151daa,black); /* Firefox */ background: linear-gradient(to right,#151daa,black); /* Safari */ background: -o-linear-gradient(left,#151daa,black); /* Opera */ background: -moz-linear-gradient(left,#151daa,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #151daa to black.</div>

Coding & Programming with #151daa

In addition to using #151daa 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 #151daa in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #151daa, or the RGB color coordinates for the same (Red = 21, Green = 29, Blue = 170). If you need details about the color coordinates of #151daa 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 #151daa
HTML + CSS (RGB Code) Web rgb(21, 29, 170)
CSS Background Color Web .myclass { background-color: #151daa; }
CSS Foreground + Text Color Web .myclass { color: #151daa; }
CSS Border Color Web .myclass { border: 2px solid #151daa; }
Java (Multi-platform) new Color(21, 29, 170);
Python (Multi-platform) Color("#151daa")
Swift iOS UIColor(red:21, green:29, blue:170, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:21 green:29 blue:170 alpha:1.0000];
OpenGL (Graphics) glColor3f(21f, 29f, 170f);
C# / .NET Windows Color.FromArgb(21, 29, 170);
 

#151daa Color Blindness

Not everyone can see #151daa the same way. For those with color blindness, #151daa might look very, very different. Here, we simulate eight examples of color blindness, and how #151daa looks next to each one of them. In all cases, #151daa 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 #151daa 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 #151daa 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 #151daa 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 11.7:1 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