#330066 Color

#330066 is rgb(51, 0, 102) in RGB, hsl(270, 100%, 20%) in HSL, and about cmyk(50%, 100%, 0%, 60%) in CMYK. It has no registered color name of its own — the closest is Persian Indigo (#32127A), clearly related but distinguishable side by side at ΔE 7.77. White text is the more readable choice on this background.

#330066

HEX#330066

RGBrgb(51, 0, 102)

HSLhsl(270, 100%, 20%)

HSVhsv(270, 100%, 40%)

CMYKcmyk(50%, 100%, 0%, 60%)

OKLCHoklch(27.6% 0.15 296.8)

LABlab(12.87% 38.61 -47.63)

LCHlch(12.87% 61.32 309.03)

What #330066 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 #330066, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Persian Indigo#32127AΔE 7.77 Indigo#4B0082ΔE 12.72 Midnight Blue#191970ΔE 13.23 KSU Purple#512888ΔE 13.86 Spanish Violet#4C2882ΔE 13.93 Petunia#470659ΔE 14.68

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

#330066 Channel Values

How #330066 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 51 · G 0 · B 102	8-bit channels as sent to the display
HSL	H 270° · S 100% · L 20%	Easiest model for building lighter and darker variants
HSV	H 270° · S 100% · V 40%	Matches the picker in most design tools
CMYK	C 50% · M 100% · Y 0% · K 60%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	15.76:1 vs white · 1.33:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #330066 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 text15.76:1AA normal AA large AAA normal

Fails AABlack text1.33:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #330066 in the contrast checker.

Colors That Go With #330066

Pairings derived from color-wheel relationships. The complementary color sits opposite #330066; 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 #330066

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 #330066.

How #330066 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#330066

Protanopia#111166

Protanomaly#230B66

Deuteranopia#1B1B66

Deuteranomaly#261366

Tritanopia#222323

Tritanomaly#2A1A47

Achromatopsia#232323

Test a full palette in the color blindness simulator.

Using #330066 in Code

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

CSS custom property--color-330066: #330066;

CSS backgroundbackground-color: #330066;

Tailwind configcolors: { 'color-330066': '#330066' }

SwiftUIColor(red: 0.200, green: 0.000, blue: 0.400)

Android XML<color name="color_330066">#330066</color>

SVG fillfill="#330066"

More Purple Colors

#330066 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

330099 32174d 3300cc 32127a 341146 301849 36004d 300052 390061 2f0d68 3c0366 2f0b51 470066 59168b 6633cc 7851a9 8e51ff 9933ff a684ff b66bdb c9a0dc d6cadd e9d4ff 150024

#330066 Frequently Asked Questions

What color is #330066?

#330066 is a dark purple — rgb(51, 0, 102) in RGB and hsl(270, 100%, 20%) in HSL. It carries no registered color name of its own; the closest named color is Persian Indigo (#32127A), which is clearly related but distinguishable side by side at a CIE76 distance of 7.77.

What is the RGB value of #330066?

#330066 is rgb(51, 0, 102) — red 51, green 0, and blue 102 on the 0-255 scale.

What is the CMYK value of #330066?

#330066 converts to approximately cmyk(50%, 100%, 0%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #330066 be black or white?

White text is the more readable choice. #330066 scores 15.76:1 against white and 1.33:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #330066 as a CSS color keyword?

No. #330066 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 indigo (#4B0082) at a CIE76 distance of 12.72, which is visibly different.

Open #330066 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.