#511D65#511D65

#511D65 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.5% C 0.127 H 315.1°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#511D65
RGB	rgb(81, 29, 101)
HSL	hsl(283, 55%, 25%)
HSV	hsv(283, 71%, 40%)
CMYK	cmyk(19.8%, 71.3%, 0%, 60.4%)
CIE-LAB	lab(22.19, 36.47, -31.81)
CIE-LCH	lch(22.19, 48.39, 318.91°)
OKLab	oklab(34.51% 0.0898 -0.0894)
OKLCH	oklch(34.51% 0.127 315.1)
XYZ	xyz(6.1813, 3.5679, 12.6725)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 5.27

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D65 #31651D

analogous

#2D1D65 #511D65 #651D55

triadic

#511D65 #65511D #1D6551

tetradic

#511D65 #652D1D #31651D #1D5565

square

#511D65 #652D1D #31651D #1D5565

split-complementary

#511D65 #55651D #1D652D

monochromatic

#130718 #2B0F35 #511D65 #772B95 #9D38C4

Accessibility & contrast

On white

12.25

#511D65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#511D65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D65

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D65	#FFFFFF	#000000	##FFFFFF
##511D65	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003267

Deuteranopia (green-blind)

#1B3663

Tritanopia (blue-blind)

#4F2B3E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511d65;
/* rgb */ color: rgb(81, 29, 101);
/* oklch */ color: oklch(34.5% 0.127 315.1);

Tailwind

colors: {
  custom: {
    50: '#855e91',
    500: '#511d65',
    950: '#000000',
  },
}

SCSS

$custom: #511d65;
$custom-light: #855e91;
$custom-dark: #000000;

JSON

{
  "hex": "#511d65",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 101
  },
  "hsl": {
    "h": 283.333,
    "s": 55.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34512,
    "c": 0.12673,
    "h": 315.1
  },
  "luminance": 0.03568
}

Semantic roles & 50–950 ramp

primary

#511D65

secondary

#5C9A44

accent

#DF4973

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511D65

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →