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#B21DED Color

#B21DED is rgb(178, 29, 237) in RGB, hsl(283, 85%, 52%) in HSL, and about cmyk(25%, 88%, 0%, 7%) in CMYK. It has no registered color name of its own — the closest is Vivid Mulberry (#B80CE3), clearly related but distinguishable side by side at ΔE 5.41. White text is the more readable choice on this background.

#B21DED
HEX#B21DED
RGBrgb(178, 29, 237)
HSLhsl(283, 85%, 52%)
HSVhsv(283, 88%, 93%)
CMYKcmyk(25%, 88%, 0%, 7%)
OKLCHoklch(58.5% 0.278 312.7)
LABlab(46.87% 75.19 -72.66)
LCHlch(46.87% 104.56 315.98)

What #B21DED Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #B21DED, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Browse the full index of named colors A-Z or every purple in the library.

#B21DED Channel Values

How #B21DED breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 178 · G 29 · B 2378-bit channels as sent to the display
HSLH 283° · S 85% · L 52%Easiest model for building lighter and darker variants
HSVH 283° · S 88% · V 93%Matches the picker in most design tools
CMYKC 25% · M 88% · Y 0% · K 7%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.89:1 vs white · 4.29:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #B21DED background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text4.89:1AA normal AA large AAA normal
Fails AABlack text4.29:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #B21DED in the contrast checker.

Colors That Go With #B21DED

Pairings derived from color-wheel relationships. The complementary color sits opposite #B21DED; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #B21DED

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #B21DED.

How #B21DED Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#B21DED
Protanopia#5353ED
Protanomaly#8443ED
Deuteranopia#6E6EEC
Deuteranomaly#8E58EC
Tritanopia#9D6060
Tritanomaly#A64EAB
Achromatopsia#717171

Test a full palette in the color blindness simulator.

Using #B21DED in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-b21ded: #B21DED;
CSS backgroundbackground-color: #B21DED;
Tailwind configcolors: { 'color-b21ded': '#B21DED' }
SwiftUIColor(red: 0.698, green: 0.114, blue: 0.929)
Android XML<color name="color_b21ded">#B21DED</color>
SVG fillfill="#B21DED"

More Purple Colors

#B21DED sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

#B21DED Frequently Asked Questions

What color is #B21DED?

#B21DED is a mid-tone purple — rgb(178, 29, 237) in RGB and hsl(283, 85%, 52%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Mulberry (#B80CE3), which is clearly related but distinguishable side by side at a CIE76 distance of 5.41.

What is the RGB value of #B21DED?

#B21DED is rgb(178, 29, 237) — red 178, green 29, and blue 237 on the 0-255 scale.

What is the CMYK value of #B21DED?

#B21DED converts to approximately cmyk(25%, 88%, 0%, 7%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #B21DED be black or white?

White text is the more readable choice. #B21DED scores 4.89:1 against white and 4.29:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #B21DED as a CSS color keyword?

No. #B21DED is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkviolet (#9400D3) at a CIE76 distance of 9.48, which is clearly related but distinguishable side by side.

Open #B21DED in a Tool

Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.