#A166D1 Color

#A166D1 is rgb(161, 102, 209) in RGB, hsl(273, 54%, 61%) in HSL, and about cmyk(23%, 51%, 0%, 18%) in CMYK. It has no registered color name of its own — the closest is Amethyst (#9966CC), very hard to tell apart at ΔE 3.62. Black text is the more readable choice on this background.

#A166D1

HEX#A166D1

RGBrgb(161, 102, 209)

HSLhsl(273, 54%, 61%)

HSVhsv(273, 51%, 82%)

CMYKcmyk(23%, 51%, 0%, 18%)

OKLCHoklch(61.9% 0.164 307.8)

LABlab(53.30% 39.28 -46.68)

LCHlch(53.30% 61.01 310.07)

What #A166D1 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 #A166D1, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Amethyst#9966CCΔE 3.62 Rich Lavender#A76BCFΔE 4.36 Rich Lilac#B666D2ΔE 7.93 Medium Purple#9370DBΔE 8.61 Purple Plum#9C51B6ΔE 9.61 Lavender (Floral)#B57EDCΔE 11.25

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

#A166D1 Channel Values

How #A166D1 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 161 · G 102 · B 209	8-bit channels as sent to the display
HSL	H 273° · S 54% · L 61%	Easiest model for building lighter and darker variants
HSV	H 273° · S 51% · V 82%	Matches the picker in most design tools
CMYK	C 23% · M 51% · Y 0% · K 18%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.94:1 vs white · 5.34:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A166D1 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 text3.94:1AA normal AA large AAA normal

TextBlack text5.34:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A166D1 in the contrast checker.

Colors That Go With #A166D1

Pairings derived from color-wheel relationships. The complementary color sits opposite #A166D1; 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 #A166D1

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 #A166D1.

How #A166D1 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#A166D1

Protanopia#7373D1

Protanomaly#886ED1

Deuteranopia#7D7DD0

Deuteranomaly#8D75D0

Tritanopia#937B7B

Tritanomaly#9973A4

Achromatopsia#808080

Test a full palette in the color blindness simulator.

Using #A166D1 in Code

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

CSS custom property--color-a166d1: #A166D1;

CSS backgroundbackground-color: #A166D1;

Tailwind configcolors: { 'color-a166d1': '#A166D1' }

SwiftUIColor(red: 0.631, green: 0.400, blue: 0.820)

Android XML<color name="color_a166d1">#A166D1</color>

SVG fillfill="#A166D1"

More Purple Colors

#A166D1 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

#A166D1 Frequently Asked Questions

What color is #A166D1?

#A166D1 is a light purple — rgb(161, 102, 209) in RGB and hsl(273, 54%, 61%) in HSL. It carries no registered color name of its own; the closest named color is Amethyst (#9966CC), which is very hard to tell apart at a CIE76 distance of 3.62.

What is the RGB value of #A166D1?

#A166D1 is rgb(161, 102, 209) — red 161, green 102, and blue 209 on the 0-255 scale.

What is the CMYK value of #A166D1?

#A166D1 converts to approximately cmyk(23%, 51%, 0%, 18%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A166D1 be black or white?

Black text is the more readable choice. #A166D1 scores 3.94:1 against white and 5.34:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A166D1 as a CSS color keyword?

No. #A166D1 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 mediumpurple (#9370DB) at a CIE76 distance of 8.61, which is clearly related but distinguishable side by side.

Open #A166D1 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.