#5821A1 Color
#5821A1 is rgb(88, 33, 161) in RGB, hsl(266, 66%, 38%) in HSL, and about cmyk(45%, 80%, 0%, 37%) in CMYK. It has no registered color name of its own — the closest is Metallic Violet (#5B0A91), clearly related but distinguishable side by side at ΔE 7.18. White text is the more readable choice on this background.
#5821A1rgb(88, 33, 161)hsl(266, 66%, 38%)hsv(266, 80%, 63%)cmyk(45%, 80%, 0%, 37%)oklch(40.9% 0.188 296.4)lab(27.90% 45.20 -59.93)lch(27.90% 75.07 307.02)What #5821A1 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 #5821A1, 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.
#5821A1 Channel Values
How #5821A1 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 88 · G 33 · B 161 | 8-bit channels as sent to the display |
| HSL | H 266° · S 66% · L 38% | Easiest model for building lighter and darker variants |
| HSV | H 266° · S 80% · V 63% | Matches the picker in most design tools |
| CMYK | C 45% · M 80% · Y 0% · K 37% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.78:1 vs white · 2.15:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5821A1 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 #5821A1 in the contrast checker.
Colors That Go With #5821A1
Pairings derived from color-wheel relationships. The complementary color sits opposite #5821A1; 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 #5821A1
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 #5821A1.
How #5821A1 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.
#5821A1#3030A1#432AA1#3A3AA1#4832A1#424444#4C3975#444444Using #5821A1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5821a1: #5821A1;background-color: #5821A1;colors: { 'color-5821a1': '#5821A1' }Color(red: 0.345, green: 0.129, blue: 0.631)<color name="color_5821a1">#5821A1</color>fill="#5821A1"More Purple Colors
#5821A1 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5821A1 Frequently Asked Questions
What color is #5821A1?
#5821A1 is a dark purple — rgb(88, 33, 161) in RGB and hsl(266, 66%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Violet (#5B0A91), which is clearly related but distinguishable side by side at a CIE76 distance of 7.18.
What is the RGB value of #5821A1?
#5821A1 is rgb(88, 33, 161) — red 88, green 33, and blue 161 on the 0-255 scale.
What is the CMYK value of #5821A1?
#5821A1 converts to approximately cmyk(45%, 80%, 0%, 37%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5821A1 be black or white?
White text is the more readable choice. #5821A1 scores 9.78:1 against white and 2.15:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5821A1 as a CSS color keyword?
No. #5821A1 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 indigo (#4B0082) at a CIE76 distance of 10.12, which is visibly different.
Open #5821A1 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.