#AD66E1 Color

#AD66E1 is rgb(173, 102, 225) in RGB, hsl(275, 67%, 64%) in HSL, and about cmyk(23%, 55%, 0%, 12%) in CMYK. It has no registered color name of its own — the closest is Rich Lilac (#B666D2), clearly related but distinguishable side by side at ΔE 9.27. Black text is the more readable choice on this background.

#AD66E1

HEX#AD66E1

RGBrgb(173, 102, 225)

HSLhsl(275, 67%, 64%)

HSVhsv(275, 55%, 88%)

CMYKcmyk(23%, 55%, 0%, 12%)

OKLCHoklch(64.1% 0.186 308.7)

LABlab(55.47% 45.57 -52.16)

LCHlch(55.47% 69.26 311.14)

What #AD66E1 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 #AD66E1, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Rich Lilac#B666D2ΔE 9.27 Medium Orchid#BA55D3ΔE 10.77 Rich Lavender#A76BCFΔE 11.93 Amethyst#9966CCΔE 12.01 Medium Purple#9370DBΔE 13.98 Purple Plum#9C51B6ΔE 14.09

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

#AD66E1 Channel Values

How #AD66E1 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 102 · B 225	8-bit channels as sent to the display
HSL	H 275° · S 67% · L 64%	Easiest model for building lighter and darker variants
HSV	H 275° · S 55% · V 88%	Matches the picker in most design tools
CMYK	C 23% · M 55% · Y 0% · K 12%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.64:1 vs white · 5.76:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #AD66E1 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.

Fails AAWhite text3.64:1AA normal AA large AAA normal

TextBlack text5.76:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #AD66E1 in the contrast checker.

Colors That Go With #AD66E1

Pairings derived from color-wheel relationships. The complementary color sits opposite #AD66E1; 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 #AD66E1

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 #AD66E1.

How #AD66E1 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#AD66E1

Protanopia#7676E1

Protanomaly#8F70E1

Deuteranopia#8383E0

Deuteranomaly#9678E0

Tritanopia#9D7F7F

Tritanomaly#A476AF

Achromatopsia#868686

Test a full palette in the color blindness simulator.

Using #AD66E1 in Code

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

CSS custom property--color-ad66e1: #AD66E1;

CSS backgroundbackground-color: #AD66E1;

Tailwind configcolors: { 'color-ad66e1': '#AD66E1' }

SwiftUIColor(red: 0.678, green: 0.400, blue: 0.882)

Android XML<color name="color_ad66e1">#AD66E1</color>

SVG fillfill="#AD66E1"

More Purple Colors

#AD66E1 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024 fdf8ff 170b22 fdf4ff 1b0d35 faf5ff 1d0731 fae8ff 1e0033 f6cfff 20002e f3e8ff 300052 402060 541490 6600cc 7008e7 8806ce 9900cc a11fff b19cd9 c27aff cebeef e0b2eb

#AD66E1 Frequently Asked Questions

What color is #AD66E1?

#AD66E1 is a light purple — rgb(173, 102, 225) in RGB and hsl(275, 67%, 64%) in HSL. It carries no registered color name of its own; the closest named color is Rich Lilac (#B666D2), which is clearly related but distinguishable side by side at a CIE76 distance of 9.27.

What is the RGB value of #AD66E1?

#AD66E1 is rgb(173, 102, 225) — red 173, green 102, and blue 225 on the 0-255 scale.

What is the CMYK value of #AD66E1?

#AD66E1 converts to approximately cmyk(23%, 55%, 0%, 12%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #AD66E1 be black or white?

Black text is the more readable choice. #AD66E1 scores 3.64:1 against white and 5.76:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #AD66E1 as a CSS color keyword?

No. #AD66E1 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 mediumorchid (#BA55D3) at a CIE76 distance of 10.77, which is visibly different.

Open #AD66E1 in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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