#661FD1 Color
#661FD1 is rgb(102, 31, 209) in RGB, hsl(264, 74%, 47%) in HSL, and about cmyk(51%, 85%, 0%, 18%) in CMYK. It has no registered color name of its own — the closest is Violet (Caran D'ache) (#6E00C0), clearly related but distinguishable side by side at ΔE 7.66. White text is the more readable choice on this background.
#661FD1rgb(102, 31, 209)hsl(264, 74%, 47%)hsv(264, 85%, 82%)cmyk(51%, 85%, 0%, 18%)oklch(46.8% 0.24 292)lab(33.57% 57.87 -78.96)lch(33.57% 97.89 306.24)What #661FD1 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 #661FD1, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every purple in the library.
#661FD1 Channel Values
How #661FD1 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 31 · B 209 | 8-bit channels as sent to the display |
| HSL | H 264° · S 74% · L 47% | Easiest model for building lighter and darker variants |
| HSV | H 264° · S 85% · V 82% | Matches the picker in most design tools |
| CMYK | C 51% · M 85% · Y 0% · K 18% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.83:1 vs white · 2.68:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #661FD1 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.
Need a specific ratio against another background? Open #661FD1 in the contrast checker.
Colors That Go With #661FD1
Pairings derived from color-wheel relationships. The complementary color sits opposite #661FD1; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #661FD1
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #661FD1.
How #661FD1 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.
#661FD1#3434D1#4D2DD1#4141D1#5236D1#415656#524697#525252Using #661FD1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-661fd1: #661FD1;background-color: #661FD1;colors: { 'color-661fd1': '#661FD1' }Color(red: 0.400, green: 0.122, blue: 0.820)<color name="color_661fd1">#661FD1</color>fill="#661FD1"More Purple Colors
#661FD1 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#661FD1 Frequently Asked Questions
What color is #661FD1?
#661FD1 is a mid-tone purple — rgb(102, 31, 209) in RGB and hsl(264, 74%, 47%) in HSL. It carries no registered color name of its own; the closest named color is Violet (Caran D'ache) (#6E00C0), which is clearly related but distinguishable side by side at a CIE76 distance of 7.66.
What is the RGB value of #661FD1?
#661FD1 is rgb(102, 31, 209) — red 102, green 31, and blue 209 on the 0-255 scale.
What is the CMYK value of #661FD1?
#661FD1 converts to approximately cmyk(51%, 85%, 0%, 18%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #661FD1 be black or white?
White text is the more readable choice. #661FD1 scores 7.83:1 against white and 2.68:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #661FD1 as a CSS color keyword?
No. #661FD1 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 blueviolet (#8A2BE2) at a CIE76 distance of 9.68, which is clearly related but distinguishable side by side.
Open #661FD1 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.