#5B3579 Color
#5B3579 is rgb(91, 53, 121) in RGB, hsl(274, 39%, 34%) in HSL, and about cmyk(25%, 56%, 0%, 53%) in CMYK. It has no registered color name of its own — the closest is Imperial (#602F6B), clearly related but distinguishable side by side at ΔE 7.4. White text is the more readable choice on this background.
#5B3579rgb(91, 53, 121)hsl(274, 39%, 34%)hsv(274, 56%, 47%)cmyk(25%, 56%, 0%, 53%)oklch(40.8% 0.115 307.9)lab(29.51% 27.82 -32.64)lch(29.51% 42.89 310.44)What #5B3579 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 #5B3579, 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.
#5B3579 Channel Values
How #5B3579 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 53 · B 121 | 8-bit channels as sent to the display |
| HSL | H 274° · S 39% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 274° · S 56% · V 47% | Matches the picker in most design tools |
| CMYK | C 25% · M 56% · Y 0% · K 53% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.42:1 vs white · 2.23:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B3579 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 #5B3579 in the contrast checker.
Colors That Go With #5B3579
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B3579; 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 #5B3579
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 #5B3579.
How #5B3579 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.
#5B3579#3D3D79#4B3A79#444478#4E3F79#524242#563D5D#464646Using #5B3579 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b3579: #5B3579;background-color: #5B3579;colors: { 'color-5b3579': '#5B3579' }Color(red: 0.357, green: 0.208, blue: 0.475)<color name="color_5b3579">#5B3579</color>fill="#5B3579"More Purple Colors
#5B3579 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5B3579 Frequently Asked Questions
What color is #5B3579?
#5B3579 is a dark purple — rgb(91, 53, 121) in RGB and hsl(274, 39%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Imperial (#602F6B), which is clearly related but distinguishable side by side at a CIE76 distance of 7.4.
What is the RGB value of #5B3579?
#5B3579 is rgb(91, 53, 121) — red 91, green 53, and blue 121 on the 0-255 scale.
What is the CMYK value of #5B3579?
#5B3579 converts to approximately cmyk(25%, 56%, 0%, 53%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B3579 be black or white?
White text is the more readable choice. #5B3579 scores 9.42:1 against white and 2.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B3579 as a CSS color keyword?
No. #5B3579 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 darkslateblue (#483D8B) at a CIE76 distance of 11.99, which is visibly different.
Open #5B3579 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.