#5B2291 Color
#5B2291 is rgb(91, 34, 145) in RGB, hsl(271, 62%, 35%) in HSL, and about cmyk(37%, 77%, 0%, 43%) in CMYK. It has no registered color name of its own — the closest is Rebecca Purple (#663399), clearly related but distinguishable side by side at ΔE 7.25. White text is the more readable choice on this background.
#5B2291rgb(91, 34, 145)hsl(271, 62%, 35%)hsv(271, 77%, 57%)cmyk(37%, 77%, 0%, 43%)oklch(39.9% 0.171 302.5)lab(27.27% 42.20 -51.17)lch(27.27% 66.32 309.51)What #5B2291 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 #5B2291, 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.
#5B2291 Channel Values
How #5B2291 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 91 · G 34 · B 145 | 8-bit channels as sent to the display |
| HSL | H 271° · S 62% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 271° · S 77% · V 57% | Matches the picker in most design tools |
| CMYK | C 37% · M 77% · Y 0% · K 43% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.08:1 vs white · 2.08:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B2291 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 #5B2291 in the contrast checker.
Colors That Go With #5B2291
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B2291; 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 #5B2291
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 #5B2291.
How #5B2291 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.
#5B2291#313191#462C91#3C3C90#4A3391#4B3F3F#52356A#424242Using #5B2291 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b2291: #5B2291;background-color: #5B2291;colors: { 'color-5b2291': '#5B2291' }Color(red: 0.357, green: 0.133, blue: 0.569)<color name="color_5b2291">#5B2291</color>fill="#5B2291"More Purple Colors
#5B2291 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5B2291 Frequently Asked Questions
What color is #5B2291?
#5B2291 is a dark purple — rgb(91, 34, 145) in RGB and hsl(271, 62%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Rebecca Purple (#663399), which is clearly related but distinguishable side by side at a CIE76 distance of 7.25.
What is the RGB value of #5B2291?
#5B2291 is rgb(91, 34, 145) — red 91, green 34, and blue 145 on the 0-255 scale.
What is the CMYK value of #5B2291?
#5B2291 converts to approximately cmyk(37%, 77%, 0%, 43%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B2291 be black or white?
White text is the more readable choice. #5B2291 scores 10.08:1 against white and 2.08:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B2291 as a CSS color keyword?
No. #5B2291 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 rebeccapurple (#663399) at a CIE76 distance of 7.25, which is clearly related but distinguishable side by side.
Open #5B2291 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.