#511D4E#511D4E

#511D4E is a dark, moderate purple. Relative luminance 0.032; OKLCH L 33.0% C 0.103 H 329.9°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#511D4E
RGB	rgb(81, 29, 78)
HSL	hsl(303, 47%, 22%)
HSV	hsv(303, 64%, 32%)
CMYK	cmyk(0%, 64.2%, 3.7%, 68.2%)
CIE-LAB	lab(20.75, 31.52, -18.80)
CIE-LCH	lch(20.75, 36.70, 329.19°)
OKLab	oklab(33% 0.0891 -0.0516)
OKLCH	oklch(33% 0.103 329.9)
XYZ	xyz(5.2078, 3.1785, 7.5455)
Luminance	0.0318 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D4E #1D5120

analogous

#3A1D51 #511D4E #511D34

triadic

#511D4E #4E511D #1D4E51

tetradic

#511D4E #513A1D #1D5120 #1D3451

square

#511D4E #513A1D #1D5120 #1D3451

split-complementary

#511D4E #34511D #1D513A

monochromatic

#170816 #240D23 #511D4E #7E2D79 #AB3DA5

Accessibility & contrast

On white

12.84

#511D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#511D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D4E

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D4E	#FFFFFF	#000000	##FFFFFF
##511D4E	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192D50

Deuteranopia (green-blind)

#2A344D

Tritanopia (blue-blind)

#542232

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511d4e;
/* rgb */ color: rgb(81, 29, 78);
/* oklch */ color: oklch(33.0% 0.103 329.9);

Tailwind

colors: {
  custom: {
    50: '#845d80',
    500: '#511d4e',
    950: '#000000',
  },
}

SCSS

$custom: #511d4e;
$custom-light: #845d80;
$custom-dark: #000000;

JSON

{
  "hex": "#511d4e",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 78
  },
  "hsl": {
    "h": 303.462,
    "s": 47.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.33001,
    "c": 0.10294,
    "h": 329.9
  },
  "luminance": 0.03178
}

Semantic roles & 50–950 ramp

primary

#511D4E

secondary

#448647

accent

#D75951

background

#F8F5F7

surface

#EFE9EE

border

#CAC5C9

text

#0B040A

muted

#7C797C

Preview Lab

Preview with #511D4E

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

Preview Lab → · Contrast checker → · Palette generator →