#511F63#511F63

#511F63 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.6% C 0.122 H 315.9°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#511F63
RGB	rgb(81, 31, 99)
HSL	hsl(284, 52%, 25%)
HSV	hsv(284, 69%, 39%)
CMYK	cmyk(18.2%, 68.7%, 0%, 61.2%)
CIE-LAB	lab(22.41, 35.01, -30.14)
CIE-LCH	lch(22.41, 46.20, 319.27°)
OKLab	oklab(34.63% 0.0873 -0.0846)
OKLCH	oklch(34.63% 0.122 315.9)
XYZ	xyz(6.1351, 3.6304, 12.1795)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 5.24

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F63 #31631F

analogous

#2F1F63 #511F63 #631F53

triadic

#511F63 #63511F #1F6351

tetradic

#511F63 #632F1F #31631F #1F5363

square

#511F63 #632F1F #31631F #1F5363

split-complementary

#511F63 #53631F #1F632F

monochromatic

#130717 #2B1034 #511F63 #772E92 #9D3CC0

Accessibility & contrast

On white

12.17

#511F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#511F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F63

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F63	#FFFFFF	#000000	##FFFFFF
##511F63	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053365

Deuteranopia (green-blind)

#1F3761

Tritanopia (blue-blind)

#502C3E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511f63;
/* rgb */ color: rgb(81, 31, 99);
/* oklch */ color: oklch(34.6% 0.122 315.9);

Tailwind

colors: {
  custom: {
    50: '#845f90',
    500: '#511f63',
    950: '#000000',
  },
}

SCSS

$custom: #511f63;
$custom-light: #845f90;
$custom-dark: #000000;

JSON

{
  "hex": "#511f63",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 99
  },
  "hsl": {
    "h": 284.118,
    "s": 52.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34628,
    "c": 0.12157,
    "h": 315.9
  },
  "luminance": 0.0363
}

Semantic roles & 50–950 ramp

primary

#511F63

secondary

#5C9846

accent

#DC4C72

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B050C

muted

#7C797D

Preview Lab

Preview with #511F63

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

Preview Lab → · Contrast checker → · Palette generator →