#511D63#511D63

#511D63 is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.4% C 0.125 H 316.2°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#511D63
RGB	rgb(81, 29, 99)
HSL	hsl(285, 55%, 25%)
HSV	hsv(285, 71%, 39%)
CMYK	cmyk(18.2%, 70.7%, 0%, 61.2%)
CIE-LAB	lab(22.05, 36.01, -30.72)
CIE-LCH	lch(22.05, 47.33, 319.53°)
OKLab	oklab(34.37% 0.0899 -0.0862)
OKLCH	oklch(34.37% 0.125 316.2)
XYZ	xyz(6.0845, 3.5291, 12.1626)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.97

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D63 #2F631D

analogous

#2E1D63 #511D63 #631D52

triadic

#511D63 #63511D #1D6351

tetradic

#511D63 #632E1D #2F631D #1D5263

square

#511D63 #632E1D #2F631D #1D5263

split-complementary

#511D63 #52631D #1D632E

monochromatic

#130718 #2A0F34 #511D63 #782B92 #9E39C2

Accessibility & contrast

On white

12.31

#511D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#511D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D63

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D63	#FFFFFF	#000000	##FFFFFF
##511D63	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003265

Deuteranopia (green-blind)

#1D3661

Tritanopia (blue-blind)

#502A3D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511d63;
/* rgb */ color: rgb(81, 29, 99);
/* oklch */ color: oklch(34.4% 0.125 316.2);

Tailwind

colors: {
  custom: {
    50: '#845d90',
    500: '#511d63',
    950: '#000000',
  },
}

SCSS

$custom: #511d63;
$custom-light: #845d90;
$custom-dark: #000000;

JSON

{
  "hex": "#511d63",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 99
  },
  "hsl": {
    "h": 284.571,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34368,
    "c": 0.12458,
    "h": 316.2
  },
  "luminance": 0.03529
}

Semantic roles & 50–950 ramp

primary

#511D63

secondary

#599844

accent

#DE4A70

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511D63

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

Preview Lab → · Contrast checker → · Palette generator →