#643285 Color
#643285 is rgb(100, 50, 133) in RGB, hsl(276, 45%, 36%) in HSL, and about cmyk(25%, 62%, 0%, 48%) in CMYK. It has no registered color name of its own — the closest is Eminence (#6C3082), very hard to tell apart at ΔE 4.14. White text is the more readable choice on this background.
#643285rgb(100, 50, 133)hsl(276, 45%, 36%)hsv(276, 62%, 52%)cmyk(25%, 62%, 0%, 48%)oklch(42.2% 0.138 309.5)lab(30.75% 34.52 -38.08)lch(30.75% 51.40 312.20)What #643285 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 #643285, 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.
#643285 Channel Values
How #643285 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 100 · G 50 · B 133 | 8-bit channels as sent to the display |
| HSL | H 276° · S 45% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 276° · S 62% · V 52% | Matches the picker in most design tools |
| CMYK | C 25% · M 62% · Y 0% · K 48% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.99:1 vs white · 2.34:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #643285 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 #643285 in the contrast checker.
Colors That Go With #643285
Pairings derived from color-wheel relationships. The complementary color sits opposite #643285; 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 #643285
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 #643285.
How #643285 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.
#643285#3E3E85#503A85#474784#544085#5A4444#5E3D64#494949Using #643285 in Code
Copy-ready declarations for the places this color usually ends up.
--color-643285: #643285;background-color: #643285;colors: { 'color-643285': '#643285' }Color(red: 0.392, green: 0.196, blue: 0.522)<color name="color_643285">#643285</color>fill="#643285"More Purple Colors
#643285 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#643285 Frequently Asked Questions
What color is #643285?
#643285 is a dark purple — rgb(100, 50, 133) in RGB and hsl(276, 45%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Eminence (#6C3082), which is very hard to tell apart at a CIE76 distance of 4.14.
What is the RGB value of #643285?
#643285 is rgb(100, 50, 133) — red 100, green 50, and blue 133 on the 0-255 scale.
What is the CMYK value of #643285?
#643285 converts to approximately cmyk(25%, 62%, 0%, 48%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #643285 be black or white?
White text is the more readable choice. #643285 scores 8.99:1 against white and 2.34:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #643285 as a CSS color keyword?
No. #643285 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 rebeccapurple (#663399) at a CIE76 distance of 10.51, 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.