#51b5fd Color Information

#51b5fd 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 #51b5fd. In RGB, it consists of 31.8% Red, 71.0% Green, and 99.2% Blue. Likewise, in the CMYK color space, it consists of 68% Cyan, 28.5% Magenta, 0% Yellow, and 0.8% Black. On the color wheel, its Hue is found at 205.1°, with saturation of 97.7% and lightness of 65.5%. The decimal value for #51b5fd is 5355005, and its nearest "web safe" color is #66ccff. In the RGB color space, the strongest component for #51b5fd 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#51b5fd Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color81, 181, 253 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color31.8%, 71.0%, 99.2% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.682, 0.290, 0.008 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.68, 0.285, 0, 0.008 Copy
  • HSLHue, Saturation, Lightness combination for this color205.1°, 97.7%, 65.5% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color205.1°, 68.0%, 99.2% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color37.647, 41.889, 99.030 Copy
  • RYBRed, Yellow, Blue composition for this color81, 144, 253 Copy
  • DecimalDecimal representation of this color's hex code5355005 Copy
  • CIE-LABCIELAB color space coordinates for this color70.794, -6.916, -44.130 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)70.794, 44.669, 261.094 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color70.794, -38.173, -70.754 Copy
  • Hunter LabHunter-Lab color space coordinates for this color64.722, -9.434, -45.414 Copy
  • xyYCIE xyY color space coordinates for this color0.211, 0.235, 41.889 Copy
  • AndroidValue of this color in Android development4283545085 / 0xff51b5fd Copy
  • Web SafeHex code of the nearest "web safe" version of this color#66ccff Copy
Last Updated: November 26, 2024

Shades of #51b5fd

Shades are created by adding black to or removing lightness from a particular color. For #51b5fd, its pure hue is 205.1° on the color wheel and its saturation is 97.7%, and its lightness is 65.5%. 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 #51b5fd, which — excluding black and our original color — range from #0a1720 to #479edd.

Tints of #51b5fd

Tints are created by adding white or lightness to a particular color. For #51b5fd, its pure hue is 205.1° on the color wheel and its saturation is 97.7%, and its lightness is 65.5%. 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 #51b5fd, which — excluding white and our original color — range from #67befd to #e9f6ff.

Tones of #51b5fd

Tones are the result of adding gray to a pure hue. In the case of #51b5fd, its pure hue is 205.1° on the color wheel and its saturation is 97.7%, 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 #51b5fd, which range from #a7a7a7 (the grayest / 0% saturation) to #4fb5ff (the most colorful / 100% saturation).

Variations of #51b5fd

There are several ways to create color variations and premutations of #51b5fd! For #51b5fd, 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, #51b5fd. Click on these colors to learn more about them, too!

Color Coordinates of #51b5fd

This color, #51b5fd, consists of 31.8% Red, 71.0% Green, and 99.2% Blue, resulting in color coordinates Red = 81, Green = 181, Blue = 253. Likewise, the CMYK color space composition for #51b5fd is 68% Cyan, 28.5% Magenta, 0% Yellow, and 0.8% Black. These values are shown in the following charts and tables.

R31.8%
C68.0%
G71.0%
M28.5%
B99.2%
Y0.0%
K0.8%
Color Base R (Red) G (Green) B (Blue)
Decimal 81 181 253
Octal 121 265 375
Hexa #51 #b5 #fd
Binary 01010001 10110101 11111101
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 67 28 0 0
Octal 103 34 0 0
Hexa #43 #1c #00 #00
Binary 01000011 00011100 00000000 00000000

Analogous Colors of #51b5fd

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #51b5fd — which has hue 205.1° — its analogous colors are located at 175.1° and 235.1° on the color wheel, with the same saturation and lightness as #51b5fd.

Triadic Colors of #51b5fd

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 #51b5fd — which has hue 205.1° — its triadic colors are located at 85.1° and 325.1° on the color wheel, with the same saturation and lightness as #51b5fd.

Complementary Color of #51b5fd

A complementary color is located opposite a color on the color wheel (180 degrees away). For #51b5fd — which has hue 205.1° — its complementary color is located at 25.1° on the color wheel, with the same saturation and lightness as #51b5fd.

Split Complementary Colors of #51b5fd

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 #51b5fd — which has hue 205.1° — its split complementary colors its split complementary colors are located at 55.1° and 355.1° on the color wheel, with the same saturation and lightness as #51b5fd.

Tetradic Colors of #51b5fd

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 #51b5fd — which has hue 205.1° — its tetradic colors are located at 115.1°, 205.1°, 295.1°, and 25.1° on the color wheel, with the same saturation and lightness as #51b5fd.

Monochromatic Colors of #51b5fd

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #51b5fd, we show 9 different monochromatic colors of it, ranging from #048ef2 — (which has very low saturation and very low lightness) — to #a8daff (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #51b5fd

We want to make getting started with #51b5fd on your website fast and easy! Below are 8 examples of how to integrate #51b5fd into a website using HTML+CSS. These examples include showing how #51b5fd 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 #51b5fd with other HTML elements.

#51b5fd Foreground / Text Color

The color of this text is #51b5fd.
<span style="color: #51b5fd;">The color of this text is #51b5fd.</span>

#51b5fd Background Color

The background color for this text is #51b5fd.
<div style="background-color: #51b5fd; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #51b5fd.</div>

#51b5fd Text Shadow Color

This color for the shadow of this text is #51b5fd.
<span style="text-shadow: 3px 3px 3px #51b5fd;">This color for the shadow of this text is #51b5fd.</span>

#51b5fd Border Color

This is a div with border color #51b5fd.
<div style="border: #51b5fd 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #51b5fd.</div>

#51b5fd Color Rectangle on a White Background

This is a rectangle of color #51b5fd on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #51b5fd; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #51b5fd on a white background.</div></div>

#51b5fd Color Rectangle on a Black Background

This is a rectangle of color #51b5fd on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #51b5fd; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #51b5fd on a black background.</div></div>

Gradient from #51b5fd to White

This is a gradient from #51b5fd to white.
<div style="background: -webkit-linear-gradient(left,#51b5fd,white); /* Firefox */ background: linear-gradient(to right,#51b5fd,white); /* Safari */ background: -o-linear-gradient(left,#51b5fd,white); /* Opera */ background: -moz-linear-gradient(left,#51b5fd,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #51b5fd to white.</div>

Gradient from #51b5fd to Black

This is a gradient from #51b5fd to black.
<div style="background: -webkit-linear-gradient(left,#51b5fd,black); /* Firefox */ background: linear-gradient(to right,#51b5fd,black); /* Safari */ background: -o-linear-gradient(left,#51b5fd,black); /* Opera */ background: -moz-linear-gradient(left,#51b5fd,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #51b5fd to black.</div>

Coding & Programming with #51b5fd

In addition to using #51b5fd 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 #51b5fd in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #51b5fd, or the RGB color coordinates for the same (Red = 81, Green = 181, Blue = 253). If you need details about the color coordinates of #51b5fd 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 #51b5fd
HTML + CSS (RGB Code) Web rgb(81, 181, 253)
CSS Background Color Web .myclass { background-color: #51b5fd; }
CSS Foreground + Text Color Web .myclass { color: #51b5fd; }
CSS Border Color Web .myclass { border: 2px solid #51b5fd; }
Java (Multi-platform) new Color(81, 181, 253);
Python (Multi-platform) Color("#51b5fd")
Swift iOS UIColor(red:81, green:181, blue:253, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:81 green:181 blue:253 alpha:1.0000];
OpenGL (Graphics) glColor3f(81f, 181f, 253f);
C# / .NET Windows Color.FromArgb(81, 181, 253);
 

#51b5fd Color Blindness

Not everyone can see #51b5fd the same way. For those with color blindness, #51b5fd might look very, very different. Here, we simulate eight examples of color blindness, and how #51b5fd looks next to each one of them. In all cases, #51b5fd 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 #51b5fd 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 #51b5fd 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

Not Accessibility Recommended

We analyzed whether #51b5fd 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 2.2:1 against white. Under both the AA and AAA level standards, this is not a high enough ratio to be considered accessible 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