#5B1FBD Color
#5B1FBD is rgb(91, 31, 189) in RGB, hsl(263, 72%, 43%) in HSL, and about cmyk(52%, 84%, 0%, 26%) in CMYK. It has no registered color name of its own — the closest is Violet (Caran D'ache) (#6E00C0), visibly different at ΔE 10. White text is the more readable choice on this background.
#5B1FBDrgb(91, 31, 189)hsl(263, 72%, 43%)hsv(263, 84%, 74%)cmyk(52%, 84%, 0%, 26%)oklch(43.7% 0.219 291.4)lab(30.39% 52.23 -72.58)lch(30.39% 89.41 305.74)What #5B1FBD 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 #5B1FBD, 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.
#5B1FBD Channel Values
How #5B1FBD 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 31 · B 189 | 8-bit channels as sent to the display |
| HSL | H 263° · S 72% · L 43% | Easiest model for building lighter and darker variants |
| HSV | H 263° · S 84% · V 74% | Matches the picker in most design tools |
| CMYK | C 52% · M 84% · Y 0% · K 26% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.84:1 vs white · 2.38:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B1FBD 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 #5B1FBD in the contrast checker.
Colors That Go With #5B1FBD
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B1FBD; 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 #5B1FBD
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 #5B1FBD.
How #5B1FBD 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.
#5B1FBD#3030BD#452ABD#3B3BBD#4A32BD#394E4E#494089#4A4A4AUsing #5B1FBD in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b1fbd: #5B1FBD;background-color: #5B1FBD;colors: { 'color-5b1fbd': '#5B1FBD' }Color(red: 0.357, green: 0.122, blue: 0.741)<color name="color_5b1fbd">#5B1FBD</color>fill="#5B1FBD"More Purple Colors
#5B1FBD sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5B1FBD Frequently Asked Questions
What color is #5B1FBD?
#5B1FBD is a mid-tone purple — rgb(91, 31, 189) in RGB and hsl(263, 72%, 43%) in HSL. It carries no registered color name of its own; the closest named color is Violet (Caran D'ache) (#6E00C0), which is visibly different at a CIE76 distance of 10.
What is the RGB value of #5B1FBD?
#5B1FBD is rgb(91, 31, 189) — red 91, green 31, and blue 189 on the 0-255 scale.
What is the CMYK value of #5B1FBD?
#5B1FBD converts to approximately cmyk(52%, 84%, 0%, 26%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B1FBD be black or white?
White text is the more readable choice. #5B1FBD scores 8.84:1 against white and 2.38:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B1FBD as a CSS color keyword?
No. #5B1FBD 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 15.65, which is visibly different.
Open #5B1FBD in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.