#A63BF1 Color
#A63BF1 is rgb(166, 59, 241) in RGB, hsl(275, 87%, 59%) in HSL, and about cmyk(31%, 76%, 0%, 5%) in CMYK. It has no registered color name of its own — the closest is Blue Violet (#8A2BE2), clearly related but distinguishable side by side at ΔE 8.02. White text is the more readable choice on this background.
#A63BF1rgb(166, 59, 241)hsl(275, 87%, 59%)hsv(275, 76%, 95%)cmyk(31%, 76%, 0%, 5%)oklch(59.3% 0.255 306.7)lab(48.20% 65.43 -72.85)lch(48.20% 97.92 311.93)What #A63BF1 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 #A63BF1, 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.
#A63BF1 Channel Values
How #A63BF1 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 59 · B 241 | 8-bit channels as sent to the display |
| HSL | H 275° · S 87% · L 59% | Easiest model for building lighter and darker variants |
| HSV | H 275° · S 76% · V 95% | Matches the picker in most design tools |
| CMYK | C 31% · M 76% · Y 0% · K 5% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.65:1 vs white · 4.52:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #A63BF1 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 #A63BF1 in the contrast checker.
Colors That Go With #A63BF1
Pairings derived from color-wheel relationships. The complementary color sits opposite #A63BF1; 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 #A63BF1
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 #A63BF1.
How #A63BF1 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.
#A63BF1#5A5AF1#7F4FF1#6E6EF0#885EF0#8F6C6C#995CB1#747474Using #A63BF1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-a63bf1: #A63BF1;background-color: #A63BF1;colors: { 'color-a63bf1': '#A63BF1' }Color(red: 0.651, green: 0.231, blue: 0.945)<color name="color_a63bf1">#A63BF1</color>fill="#A63BF1"More Purple Colors
#A63BF1 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#A63BF1 Frequently Asked Questions
What color is #A63BF1?
#A63BF1 is a mid-tone purple — rgb(166, 59, 241) in RGB and hsl(275, 87%, 59%) in HSL. It carries no registered color name of its own; the closest named color is Blue Violet (#8A2BE2), which is clearly related but distinguishable side by side at a CIE76 distance of 8.02.
What is the RGB value of #A63BF1?
#A63BF1 is rgb(166, 59, 241) — red 166, green 59, and blue 241 on the 0-255 scale.
What is the CMYK value of #A63BF1?
#A63BF1 converts to approximately cmyk(31%, 76%, 0%, 5%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #A63BF1 be black or white?
White text is the more readable choice. #A63BF1 scores 4.65:1 against white and 4.52:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #A63BF1 as a CSS color keyword?
No. #A63BF1 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 blueviolet (#8A2BE2) at a CIE76 distance of 8.02, which is clearly related but distinguishable side by side.
Open #A63BF1 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.