#511D5B#511D5B

#511D5B is a dark, moderate purple. Relative luminance 0.034; OKLCH L 33.8% C 0.116 H 320.9°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#511D5B
RGB	rgb(81, 29, 91)
HSL	hsl(290, 52%, 24%)
HSV	hsv(290, 68%, 36%)
CMYK	cmyk(11%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(21.52, 34.23, -26.28)
CIE-LCH	lch(21.52, 43.16, 322.48°)
OKLab	oklab(33.82% 0.09 -0.0733)
OKLCH	oklch(33.82% 0.116 320.9)
XYZ	xyz(5.7208, 3.3837, 10.2473)
Luminance	0.0338 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D5B #275B1D

analogous

#321D5B #511D5B #5B1D46

triadic

#511D5B #5B511D #1D5B51

tetradic

#511D5B #5B321D #275B1D #1D465B

square

#511D5B #5B321D #275B1D #1D465B

split-complementary

#511D5B #465B1D #1D5B32

monochromatic

#150717 #280E2D #511D5B #7A2C89 #A43BB8

Accessibility & contrast

On white

12.53

#511D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#511D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D5B

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D5B	#FFFFFF	#000000	##FFFFFF
##511D5B	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D305D

Deuteranopia (green-blind)

#233659

Tritanopia (blue-blind)

#522739

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511d5b;
/* rgb */ color: rgb(81, 29, 91);
/* oklch */ color: oklch(33.8% 0.116 320.9);

Tailwind

colors: {
  custom: {
    50: '#845d8a',
    500: '#511d5b',
    950: '#000000',
  },
}

SCSS

$custom: #511d5b;
$custom-light: #845d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#511d5b",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 290.323,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33815,
    "c": 0.1161,
    "h": 320.9
  },
  "luminance": 0.03383
}

Semantic roles & 50–950 ramp

primary

#511D5B

secondary

#509044

accent

#DB4D64

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511D5B

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

Preview Lab → · Contrast checker → · Palette generator →