#A636A4 Color

#A636A4 is rgb(166, 54, 164) in RGB, hsl(301, 51%, 43%) in HSL, and about cmyk(0%, 67%, 1%, 35%) in CMYK. It has no registered color name of its own — the closest is Byzantine (#BD33A4), clearly related but distinguishable side by side at ΔE 9.86. White text is the more readable choice on this background.

#A636A4

HEX#A636A4

RGBrgb(166, 54, 164)

HSLhsl(301, 51%, 43%)

HSVhsv(301, 67%, 65%)

CMYKcmyk(0%, 67%, 1%, 35%)

OKLCHoklch(53.7% 0.193 328.6)

LABlab(43.33% 55.96 -36.20)

LCHlch(43.33% 66.65 327.10)

What #A636A4 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 #A636A4, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Byzantine#BD33A4ΔE 9.86 Deep Fuchsia#C154C1ΔE 10.19 Dark Magenta#8B008BΔE 11.64 Mardi Gras#880085ΔE 11.98 Purpureus#9A4EAEΔE 12.88 Purple Plum#9C51B6ΔE 13.51

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

#A636A4 Channel Values

How #A636A4 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 166 · G 54 · B 164	8-bit channels as sent to the display
HSL	H 301° · S 51% · L 43%	Easiest model for building lighter and darker variants
HSV	H 301° · S 67% · V 65%	Matches the picker in most design tools
CMYK	C 0% · M 67% · Y 1% · K 35%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	5.7:1 vs white · 3.69:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A636A4 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 text5.7:1AA normal AA large AAA normal

Fails AABlack text3.69:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A636A4 in the contrast checker.

Colors That Go With #A636A4

Pairings derived from color-wheel relationships. The complementary color sits opposite #A636A4; 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 #A636A4

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 #A636A4.

How #A636A4 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#A636A4

Protanopia#5757A4

Protanomaly#7E4CA4

Deuteranopia#6C6CA2

Deuteranomaly#875BA3

Tritanopia#9D4F4F

Tritanomaly#A1477A

Achromatopsia#676767

Test a full palette in the color blindness simulator.

Using #A636A4 in Code

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

CSS custom property--color-a636a4: #A636A4;

CSS backgroundbackground-color: #A636A4;

Tailwind configcolors: { 'color-a636a4': '#A636A4' }

SwiftUIColor(red: 0.651, green: 0.212, blue: 0.643)

Android XML<color name="color_a636a4">#A636A4</color>

SVG fillfill="#A636A4"

More Pink Colors

#A636A4 sits in the pink family. These are its neighbours across that family's full range, each with its own breakdown.

200e15 fff5ff 240024 fff5f8 2e051f fff0ff 2f1d2f fff0f6 301934 fff0f5 330033 ffe0f0 57001d 754875 940094 a800b7 c43162 d07cd0 e0115f e936a7 f38fa9 fb64b6 ff0a85 ff70b8

#A636A4 Frequently Asked Questions

What color is #A636A4?

#A636A4 is a mid-tone pink — rgb(166, 54, 164) in RGB and hsl(301, 51%, 43%) in HSL. It carries no registered color name of its own; the closest named color is Byzantine (#BD33A4), which is clearly related but distinguishable side by side at a CIE76 distance of 9.86.

What is the RGB value of #A636A4?

#A636A4 is rgb(166, 54, 164) — red 166, green 54, and blue 164 on the 0-255 scale.

What is the CMYK value of #A636A4?

#A636A4 converts to approximately cmyk(0%, 67%, 1%, 35%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A636A4 be black or white?

White text is the more readable choice. #A636A4 scores 5.7:1 against white and 3.69:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A636A4 as a CSS color keyword?

No. #A636A4 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 darkmagenta (#8B008B) at a CIE76 distance of 11.64, which is visibly different.

Open #A636A4 in a Tool

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