#640571 Color
#640571 is rgb(100, 5, 113) in RGB, hsl(293, 92%, 23%) in HSL, and about cmyk(12%, 96%, 0%, 56%) in CMYK. It has no registered color name of its own — the closest is Zinzolin (#6C0277), very hard to tell apart at ΔE 3.6. White text is the more readable choice on this background.
#640571rgb(100, 5, 113)hsl(293, 92%, 23%)hsv(293, 96%, 44%)cmyk(12%, 96%, 0%, 56%)oklch(36.5% 0.169 322)lab(23.49% 47.66 -37.05)lch(23.49% 60.36 322.14)What #640571 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 #640571, 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.
#640571 Channel Values
How #640571 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 5 · B 113 | 8-bit channels as sent to the display |
| HSL | H 293° · S 92% · L 23% | Easiest model for building lighter and darker variants |
| HSV | H 293° · S 96% · V 44% | Matches the picker in most design tools |
| CMYK | C 12% · M 96% · Y 0% · K 56% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.65:1 vs white · 1.8:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #640571 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 #640571 in the contrast checker.
Colors That Go With #640571
Pairings derived from color-wheel relationships. The complementary color sits opposite #640571; 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 #640571
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 #640571.
How #640571 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.
#640571#2A2A71#482071#3B3B70#4E2D70#5C2929#5F1F50#383838Using #640571 in Code
Copy-ready declarations for the places this color usually ends up.
--color-640571: #640571;background-color: #640571;colors: { 'color-640571': '#640571' }Color(red: 0.392, green: 0.020, blue: 0.443)<color name="color_640571">#640571</color>fill="#640571"More Pink Colors
#640571 sits in the pink family. These are its neighbours across that family's full range, each with its own breakdown.
#640571 Frequently Asked Questions
What color is #640571?
#640571 is a dark pink — rgb(100, 5, 113) in RGB and hsl(293, 92%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Zinzolin (#6C0277), which is very hard to tell apart at a CIE76 distance of 3.6.
What is the RGB value of #640571?
#640571 is rgb(100, 5, 113) — red 100, green 5, and blue 113 on the 0-255 scale.
What is the CMYK value of #640571?
#640571 converts to approximately cmyk(12%, 96%, 0%, 56%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #640571 be black or white?
White text is the more readable choice. #640571 scores 11.65:1 against white and 1.8:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #640571 as a CSS color keyword?
No. #640571 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 purple (#800080) at a CIE76 distance of 10.51, which is visibly different.
Open #640571 in a Tool
Keep exploring: every pink in the color library, the guide to shades of pink, or the full color library.