#531B63#531B63

#531B63 is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.4% C 0.128 H 317.8°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#531B63
RGB	rgb(83, 27, 99)
HSL	hsl(287, 57%, 25%)
HSV	hsv(287, 73%, 39%)
CMYK	cmyk(16.2%, 72.7%, 0%, 61.2%)
CIE-LAB	lab(22.03, 37.47, -30.73)
CIE-LCH	lch(22.03, 48.46, 320.64°)
OKLab	oklab(34.42% 0.0951 -0.0862)
OKLCH	oklch(34.42% 0.128 317.8)
XYZ	xyz(6.2110, 3.5240, 12.1550)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.60

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531B63 #2B631B

analogous

#2F1B63 #531B63 #631B4F

triadic

#531B63 #63531B #1B6353

tetradic

#531B63 #632F1B #2B631B #1B4F63

square

#531B63 #632F1B #2B631B #1B4F63

split-complementary

#531B63 #4F631B #1B632F

monochromatic

#140718 #2B0E33 #531B63 #7B2893 #A435C3

Accessibility & contrast

On white

12.32

#531B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#531B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531B63

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531B63	#FFFFFF	#000000	##FFFFFF
##531B63	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003165

Deuteranopia (green-blind)

#1E3661

Tritanopia (blue-blind)

#53293C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #531b63;
/* rgb */ color: rgb(83, 27, 99);
/* oklch */ color: oklch(34.4% 0.128 317.8);

Tailwind

colors: {
  custom: {
    50: '#865d90',
    500: '#531b63',
    950: '#000000',
  },
}

SCSS

$custom: #531b63;
$custom-light: #865d90;
$custom-dark: #000000;

JSON

{
  "hex": "#531b63",
  "rgb": {
    "r": 83,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 286.667,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34421,
    "c": 0.12838,
    "h": 317.8
  },
  "luminance": 0.03524
}

Semantic roles & 50–950 ramp

primary

#531B63

secondary

#559841

accent

#E04769

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #531B63

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

Preview Lab → · Contrast checker → · Palette generator →