#5B3768 Color
#5B3768 is rgb(91, 55, 104) in RGB, hsl(284, 31%, 31%) in HSL, and about cmyk(12%, 47%, 0%, 59%) 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 7.62. White text is the more readable choice on this background.
#5B3768rgb(91, 55, 104)hsl(284, 31%, 31%)hsv(284, 47%, 41%)cmyk(12%, 47%, 0%, 59%)oklch(40.1% 0.09 316.6)lab(29.17% 23.49 -22.40)lch(29.17% 32.46 316.36)What #5B3768 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 #5B3768, 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.
#5B3768 Channel Values
How #5B3768 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 55 · B 104 | 8-bit channels as sent to the display |
| HSL | H 284° · S 31% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 284° · S 47% · V 41% | Matches the picker in most design tools |
| CMYK | C 12% · M 47% · Y 0% · K 59% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.58:1 vs white · 2.19:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B3768 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 #5B3768 in the contrast checker.
Colors That Go With #5B3768
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B3768; 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 #5B3768
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 #5B3768.
How #5B3768 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.
#5B3768#3F3F68#4C3C68#454567#4F4068#554040#583C53#454545Using #5B3768 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b3768: #5B3768;background-color: #5B3768;colors: { 'color-5b3768': '#5B3768' }Color(red: 0.357, green: 0.216, blue: 0.408)<color name="color_5b3768">#5B3768</color>fill="#5B3768"More Purple Colors
#5B3768 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5B3768 Frequently Asked Questions
What color is #5B3768?
#5B3768 is a dark purple — rgb(91, 55, 104) in RGB and hsl(284, 31%, 31%) 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 7.62.
What is the RGB value of #5B3768?
#5B3768 is rgb(91, 55, 104) — red 91, green 55, and blue 104 on the 0-255 scale.
What is the CMYK value of #5B3768?
#5B3768 converts to approximately cmyk(12%, 47%, 0%, 59%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B3768 be black or white?
White text is the more readable choice. #5B3768 scores 9.58:1 against white and 2.19:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B3768 as a CSS color keyword?
No. #5B3768 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 20.48, which is visibly different.
Open #5B3768 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.