#663366 Color

#663366 is rgb(102, 51, 102) in RGB, hsl(300, 33%, 30%) in HSL, and about cmyk(0%, 50%, 0%, 60%) in CMYK. It has no registered color name of its own — the closest is Medium Violet (#65315F), very hard to tell apart at ΔE 3.28. White text is the more readable choice on this background.

#663366

HEX#663366

RGBrgb(102, 51, 102)

HSLhsl(300, 33%, 30%)

HSVhsv(300, 50%, 40%)

CMYKcmyk(0%, 50%, 0%, 60%)

OKLCHoklch(40.8% 0.102 327.3)

LABlab(29.75% 29.35 -20.08)

LCHlch(29.75% 35.56 325.63)

What #663366 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 #663366, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Violet#65315FΔE 3.28 Palatinate Purple#682860ΔE 5.91 Imperial#602F6BΔE 5.97 Byzantium#702963ΔE 8.14 Japanese Violet#5B3256ΔE 9.03 Midnight#702670ΔE 13.04

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

#663366 Channel Values

How #663366 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 102 · G 51 · B 102	8-bit channels as sent to the display
HSL	H 300° · S 33% · L 30%	Easiest model for building lighter and darker variants
HSV	H 300° · S 50% · V 40%	Matches the picker in most design tools
CMYK	C 0% · M 50% · Y 0% · K 60%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	9.42:1 vs white · 2.23:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #663366 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 text9.42:1AA normal AA large AAA normal

Fails AABlack text2.23:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #663366 in the contrast checker.

Colors That Go With #663366

Pairings derived from color-wheel relationships. The complementary color sits opposite #663366; 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 #663366

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 #663366.

How #663366 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#663366

Protanopia#3F3F66

Protanomaly#513B66

Deuteranopia#494965

Deuteranomaly#564165

Tritanopia#613C3C

Tritanomaly#633950

Achromatopsia#464646

Test a full palette in the color blindness simulator.

Using #663366 in Code

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

CSS custom property--color-663366: #663366;

CSS backgroundbackground-color: #663366;

Tailwind configcolors: { 'color-663366': '#663366' }

SwiftUIColor(red: 0.400, green: 0.200, blue: 0.400)

Android XML<color name="color_663366">#663366</color>

SVG fillfill="#663366"

More Pink Colors

#663366 sits in the pink family. These are its neighbours across that family's full range, each with its own breakdown.

670e67 66033c 673147 66023c 682860 660066 6c0277 660033 700070 65315f 702670 614051 880085 9e5e6f b768a2 cc3366 da3287 e600e5 efbece f6adc6 fe28a2 ff43a4 ffadff 2f1d2f

#663366 Frequently Asked Questions

What color is #663366?

#663366 is a dark pink — rgb(102, 51, 102) in RGB and hsl(300, 33%, 30%) in HSL. It carries no registered color name of its own; the closest named color is Medium Violet (#65315F), which is very hard to tell apart at a CIE76 distance of 3.28.

What is the RGB value of #663366?

#663366 is rgb(102, 51, 102) — red 102, green 51, and blue 102 on the 0-255 scale.

What is the CMYK value of #663366?

#663366 converts to approximately cmyk(0%, 50%, 0%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #663366 be black or white?

White text is the more readable choice. #663366 scores 9.42:1 against white and 2.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #663366 as a CSS color keyword?

No. #663366 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 darkslateblue (#483D8B) at a CIE76 distance of 24.02, which is visibly different.

Open #663366 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 pink in the color library, the guide to shades of pink, or the full color library.