#643563 Color
#643563 is rgb(100, 53, 99) in RGB, hsl(301, 31%, 30%) in HSL, and about cmyk(0%, 47%, 1%, 61%) in CMYK. It has no registered color name of its own — the closest is Medium Violet (#65315F), very hard to tell apart at ΔE 2.48. White text is the more readable choice on this background.
#643563rgb(100, 53, 99)hsl(301, 31%, 30%)hsv(301, 47%, 39%)cmyk(0%, 47%, 1%, 61%)oklch(40.7% 0.094 327.9)lab(29.77% 27.07 -18.15)lch(29.77% 32.59 326.16)What #643563 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 #643563, 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 pink in the library.
#643563 Channel Values
How #643563 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 53 · B 99 | 8-bit channels as sent to the display |
| HSL | H 301° · S 31% · L 30% | Easiest model for building lighter and darker variants |
| HSV | H 301° · S 47% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 47% · Y 1% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.41:1 vs white · 2.23:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #643563 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 #643563 in the contrast checker.
Colors That Go With #643563
Pairings derived from color-wheel relationships. The complementary color sits opposite #643563; 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 #643563
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 #643563.
How #643563 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.
#643563#404063#513C63#494962#554262#603D3D#613A4F#464646Using #643563 in Code
Copy-ready declarations for the places this color usually ends up.
--color-643563: #643563;background-color: #643563;colors: { 'color-643563': '#643563' }Color(red: 0.392, green: 0.208, blue: 0.388)<color name="color_643563">#643563</color>fill="#643563"More Pink Colors
#643563 sits in the pink family. These are its neighbours across that family's full range, each with its own breakdown.
#643563 Frequently Asked Questions
What color is #643563?
#643563 is a dark pink — rgb(100, 53, 99) in RGB and hsl(301, 31%, 30%) in HSL. It carries no registered color name of its own; the closest named color is Medium Violet (#65315F), which is very hard to tell apart at a CIE76 distance of 2.48.
What is the RGB value of #643563?
#643563 is rgb(100, 53, 99) — red 100, green 53, and blue 99 on the 0-255 scale.
What is the CMYK value of #643563?
#643563 converts to approximately cmyk(0%, 47%, 1%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #643563 be black or white?
White text is the more readable choice. #643563 scores 9.41:1 against white and 2.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #643563 as a CSS color keyword?
No. #643563 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 25.24, which is a different colour altogether.
Open #643563 in a Tool
Keep exploring: every pink in the color library, the guide to shades of pink, or the full color library.