#A643B1 Color
#A643B1 is rgb(166, 67, 177) in RGB, hsl(294, 45%, 48%) in HSL, and about cmyk(6%, 62%, 0%, 31%) in CMYK. It has no registered color name of its own — the closest is Deep Fuchsia (#C154C1), clearly related but distinguishable side by side at ΔE 8.48. White text is the more readable choice on this background.
#A643B1rgb(166, 67, 177)hsl(294, 45%, 48%)hsv(294, 62%, 69%)cmyk(6%, 62%, 0%, 31%)oklch(55.9% 0.187 323.6)lab(45.87% 52.48 -39.89)lch(45.87% 65.92 322.76)What #A643B1 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 #A643B1, 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.
#A643B1 Channel Values
How #A643B1 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 166 · G 67 · B 177 | 8-bit channels as sent to the display |
| HSL | H 294° · S 45% · L 48% | Easiest model for building lighter and darker variants |
| HSV | H 294° · S 62% · V 69% | Matches the picker in most design tools |
| CMYK | C 6% · M 62% · Y 0% · K 31% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.17:1 vs white · 4.06:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #A643B1 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 #A643B1 in the contrast checker.
Colors That Go With #A643B1
Pairings derived from color-wheel relationships. The complementary color sits opposite #A643B1; 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 #A643B1
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 #A643B1.
How #A643B1 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.
#A643B1#5E5EB1#8154B1#7171AF#8961B0#9C5B5B#A05286#6D6D6DUsing #A643B1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-a643b1: #A643B1;background-color: #A643B1;colors: { 'color-a643b1': '#A643B1' }Color(red: 0.651, green: 0.263, blue: 0.694)<color name="color_a643b1">#A643B1</color>fill="#A643B1"More Pink Colors
#A643B1 sits in the pink family. These are its neighbours across that family's full range, each with its own breakdown.
#A643B1 Frequently Asked Questions
What color is #A643B1?
#A643B1 is a mid-tone pink — rgb(166, 67, 177) in RGB and hsl(294, 45%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Deep Fuchsia (#C154C1), which is clearly related but distinguishable side by side at a CIE76 distance of 8.48.
What is the RGB value of #A643B1?
#A643B1 is rgb(166, 67, 177) — red 166, green 67, and blue 177 on the 0-255 scale.
What is the CMYK value of #A643B1?
#A643B1 converts to approximately cmyk(6%, 62%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #A643B1 be black or white?
White text is the more readable choice. #A643B1 scores 5.17:1 against white and 4.06:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #A643B1 as a CSS color keyword?
No. #A643B1 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 mediumorchid (#BA55D3) at a CIE76 distance of 10.95, which is visibly different.
Open #A643B1 in a Tool
Keep exploring: every pink in the color library, the guide to shades of pink, or the full color library.