#AD21ED Color
#AD21ED is rgb(173, 33, 237) in RGB, hsl(281, 85%, 53%) in HSL, and about cmyk(27%, 86%, 0%, 7%) in CMYK. It has no registered color name of its own — the closest is Purple (X11) (#A020F0), clearly related but distinguishable side by side at ΔE 5.48. White text is the more readable choice on this background.
#AD21EDrgb(173, 33, 237)hsl(281, 85%, 53%)hsv(281, 86%, 93%)cmyk(27%, 86%, 0%, 7%)oklch(58.1% 0.274 311.1)lab(46.34% 73.54 -73.56)lch(46.34% 104.01 314.99)What #AD21ED 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 #AD21ED, 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.
#AD21ED Channel Values
How #AD21ED breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 173 · G 33 · B 237 | 8-bit channels as sent to the display |
| HSL | H 281° · S 85% · L 53% | Easiest model for building lighter and darker variants |
| HSV | H 281° · S 86% · V 93% | Matches the picker in most design tools |
| CMYK | C 27% · M 86% · Y 0% · K 7% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.98:1 vs white · 4.22:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #AD21ED 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.
Need a specific ratio against another background? Open #AD21ED in the contrast checker.
Colors That Go With #AD21ED
Pairings derived from color-wheel relationships. The complementary color sits opposite #AD21ED; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #AD21ED
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #AD21ED.
How #AD21ED 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.
#AD21ED#5252ED#8043ED#6B6BEC#8B57EC#986161#A14FAC#707070Using #AD21ED in Code
Copy-ready declarations for the places this color usually ends up.
--color-ad21ed: #AD21ED;background-color: #AD21ED;colors: { 'color-ad21ed': '#AD21ED' }Color(red: 0.678, green: 0.129, blue: 0.929)<color name="color_ad21ed">#AD21ED</color>fill="#AD21ED"More Purple Colors
#AD21ED sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#AD21ED Frequently Asked Questions
What color is #AD21ED?
#AD21ED is a mid-tone purple — rgb(173, 33, 237) in RGB and hsl(281, 85%, 53%) in HSL. It carries no registered color name of its own; the closest named color is Purple (X11) (#A020F0), which is clearly related but distinguishable side by side at a CIE76 distance of 5.48.
What is the RGB value of #AD21ED?
#AD21ED is rgb(173, 33, 237) — red 173, green 33, and blue 237 on the 0-255 scale.
What is the CMYK value of #AD21ED?
#AD21ED converts to approximately cmyk(27%, 86%, 0%, 7%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #AD21ED be black or white?
White text is the more readable choice. #AD21ED scores 4.98:1 against white and 4.22:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #AD21ED as a CSS color keyword?
No. #AD21ED 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 8.49, which is clearly related but distinguishable side by side.
Open #AD21ED in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.