#511363 Color
#511363 is rgb(81, 19, 99) in RGB, hsl(287, 68%, 23%) in HSL, and about cmyk(18%, 81%, 0%, 61%) in CMYK. It has no registered color name of its own — the closest is Petunia (#470659), very hard to tell apart at ΔE 4.07. White text is the more readable choice on this background.
#511363rgb(81, 19, 99)hsl(287, 68%, 23%)hsv(287, 81%, 39%)cmyk(18%, 81%, 0%, 61%)oklch(33.3% 0.138 317.3)lab(20.26% 37.62 -33.35)lch(20.26% 50.27 318.44)What #511363 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 #511363, 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.
#511363 Channel Values
How #511363 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 81 · G 19 · B 99 | 8-bit channels as sent to the display |
| HSL | H 287° · S 68% · L 23% | Easiest model for building lighter and darker variants |
| HSV | H 287° · S 81% · V 39% | Matches the picker in most design tools |
| CMYK | C 18% · M 81% · Y 0% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 12.94:1 vs white · 1.62:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #511363 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 #511363 in the contrast checker.
Colors That Go With #511363
Pairings derived from color-wheel relationships. The complementary color sits opposite #511363; 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 #511363
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 #511363.
How #511363 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.
#511363#262663#3C2063#323262#402863#492828#4D2147#313131Using #511363 in Code
Copy-ready declarations for the places this color usually ends up.
--color-511363: #511363;background-color: #511363;colors: { 'color-511363': '#511363' }Color(red: 0.318, green: 0.075, blue: 0.388)<color name="color_511363">#511363</color>fill="#511363"More Purple Colors
#511363 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#511363 Frequently Asked Questions
What color is #511363?
#511363 is a dark purple — rgb(81, 19, 99) in RGB and hsl(287, 68%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Petunia (#470659), which is very hard to tell apart at a CIE76 distance of 4.07.
What is the RGB value of #511363?
#511363 is rgb(81, 19, 99) — red 81, green 19, and blue 99 on the 0-255 scale.
What is the CMYK value of #511363?
#511363 converts to approximately cmyk(18%, 81%, 0%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #511363 be black or white?
White text is the more readable choice. #511363 scores 12.94:1 against white and 1.62:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #511363 as a CSS color keyword?
No. #511363 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 18.8, which is visibly different.
Open #511363 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.