#6633FF Color

#6633FF is rgb(102, 51, 255) in RGB, hsl(255, 100%, 60%) in HSL, and about cmyk(60%, 80%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Han Purple (#5218FA), visibly different at ΔE 10.26. White text is the more readable choice on this background.

#6633FF

HEX#6633FF

RGBrgb(102, 51, 255)

HSLhsl(255, 100%, 60%)

HSVhsv(255, 80%, 100%)

CMYKcmyk(60%, 80%, 0%, 0%)

OKLCHoklch(53.1% 0.272 283.5)

LABlab(40.23% 60.23 -94.09)

LCHlch(40.23% 111.72 302.62)

What #6633FF 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 #6633FF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Han Purple#5218FAΔE 10.26 Electric Indigo#6F00FFΔE 14.13 Poison Purple#7F01FEΔE 14.18 Ultramarine Blue(caran D'ache)#2111EFΔE 14.47 Near Violet#8000FFΔE 14.56 Electric Violet#8F00FFΔE 16.37

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

#6633FF Channel Values

How #6633FF 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 255	8-bit channels as sent to the display
HSL	H 255° · S 100% · L 60%	Easiest model for building lighter and darker variants
HSV	H 255° · S 80% · V 100%	Matches the picker in most design tools
CMYK	C 60% · M 80% · Y 0% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	6.03:1 vs white · 3.48:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #6633FF 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 text6.03:1AA normal AA large AAA normal

Fails AABlack text3.48:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #6633FF in the contrast checker.

Colors That Go With #6633FF

Pairings derived from color-wheel relationships. The complementary color sits opposite #6633FF; 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 #6633FF

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 #6633FF.

How #6633FF 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#6633FF

Protanopia#3F3FFF

Protanomaly#513BFF

Deuteranopia#4949FF

Deuteranomaly#5641FF

Tritanopia#196E6E

Tritanomaly#455CBA

Achromatopsia#636363

Test a full palette in the color blindness simulator.

Using #6633FF in Code

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

CSS custom property--color-6633ff: #6633FF;

CSS backgroundbackground-color: #6633FF;

Tailwind configcolors: { 'color-6633ff': '#6633FF' }

SwiftUIColor(red: 0.400, green: 0.200, blue: 1.000)

Android XML<color name="color_6633ff">#6633FF</color>

SVG fillfill="#6633FF"

More Purple Colors

#6633FF sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

6800b3 6633cc 69359c 663399 6b0099 6618af 6c3082 6600ff 6e00c0 6600cc 6e11b0 660099 79258e 8f00ff 9947e6 a76bcf b80ce3 cba1f2 d77aff eacaf1 170b22 32127a 410f70 58427c

#6633FF Frequently Asked Questions

What color is #6633FF?

#6633FF is a light purple — rgb(102, 51, 255) in RGB and hsl(255, 100%, 60%) in HSL. It carries no registered color name of its own; the closest named color is Han Purple (#5218FA), which is visibly different at a CIE76 distance of 10.26.

What is the RGB value of #6633FF?

#6633FF is rgb(102, 51, 255) — red 102, green 51, and blue 255 on the 0-255 scale.

What is the CMYK value of #6633FF?

#6633FF converts to approximately cmyk(60%, 80%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #6633FF be black or white?

White text is the more readable choice. #6633FF scores 6.03:1 against white and 3.48:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #6633FF as a CSS color keyword?

No. #6633FF 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 mediumblue (#0000CD) at a CIE76 distance of 17.75, which is visibly different.

Open #6633FF 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.