#664186 Color
#664186 is rgb(102, 65, 134) in RGB, hsl(272, 35%, 39%) in HSL, and about cmyk(24%, 51%, 0%, 47%) in CMYK. It has no registered color name of its own — the closest is Ultra Violet (#5F4B8B), clearly related but distinguishable side by side at ΔE 7.35. White text is the more readable choice on this background.
#664186rgb(102, 65, 134)hsl(272, 35%, 39%)hsv(272, 51%, 53%)cmyk(24%, 51%, 0%, 47%)oklch(44.9% 0.115 307.1)lab(34.38% 27.11 -32.92)lch(34.38% 42.64 309.47)What #664186 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 #664186, 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.
#664186 Channel Values
How #664186 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 65 · B 134 | 8-bit channels as sent to the display |
| HSL | H 272° · S 35% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 272° · S 51% · V 53% | Matches the picker in most design tools |
| CMYK | C 24% · M 51% · Y 0% · K 47% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.88:1 vs white · 2.67:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #664186 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 #664186 in the contrast checker.
Colors That Go With #664186
Pairings derived from color-wheel relationships. The complementary color sits opposite #664186; 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 #664186
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 #664186.
How #664186 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.
#664186#494986#564686#505085#594A86#5D4E4E#614969#515151Using #664186 in Code
Copy-ready declarations for the places this color usually ends up.
--color-664186: #664186;background-color: #664186;colors: { 'color-664186': '#664186' }Color(red: 0.400, green: 0.255, blue: 0.525)<color name="color_664186">#664186</color>fill="#664186"More Purple Colors
#664186 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#664186 Frequently Asked Questions
What color is #664186?
#664186 is a dark purple — rgb(102, 65, 134) in RGB and hsl(272, 35%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Ultra Violet (#5F4B8B), which is clearly related but distinguishable side by side at a CIE76 distance of 7.35.
What is the RGB value of #664186?
#664186 is rgb(102, 65, 134) — red 102, green 65, and blue 134 on the 0-255 scale.
What is the CMYK value of #664186?
#664186 converts to approximately cmyk(24%, 51%, 0%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #664186 be black or white?
White text is the more readable choice. #664186 scores 7.88:1 against white and 2.67:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #664186 as a CSS color keyword?
No. #664186 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 12.07, which is visibly different.
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Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.