#511D5C#511D5C

#511D5C is a dark, moderate purple. Relative luminance 0.034; OKLCH L 33.9% C 0.117 H 320.2°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#511D5C
RGB	rgb(81, 29, 92)
HSL	hsl(290, 52%, 24%)
HSV	hsv(290, 68%, 36%)
CMYK	cmyk(12%, 68.5%, 0%, 63.9%)
CIE-LAB	lab(21.58, 34.45, -26.85)
CIE-LCH	lch(21.58, 43.67, 322.07°)
OKLab	oklab(33.88% 0.0901 -0.0749)
OKLCH	oklch(33.88% 0.117 320.2)
XYZ	xyz(5.7642, 3.4010, 10.4760)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D5C #285C1D

analogous

#311D5C #511D5C #5C1D47

triadic

#511D5C #5C511D #1D5C51

tetradic

#511D5C #5C311D #285C1D #1D475C

square

#511D5C #5C311D #285C1D #1D475C

split-complementary

#511D5C #475C1D #1D5C31

monochromatic

#140717 #280E2D #511D5C #7A2C8B #A33AB9

Accessibility & contrast

On white

12.50

#511D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#511D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D5C

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D5C	#FFFFFF	#000000	##FFFFFF
##511D5C	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C305E

Deuteranopia (green-blind)

#23365A

Tritanopia (blue-blind)

#512839

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511d5c;
/* rgb */ color: rgb(81, 29, 92);
/* oklch */ color: oklch(33.9% 0.117 320.2);

Tailwind

colors: {
  custom: {
    50: '#845d8a',
    500: '#511d5c',
    950: '#000000',
  },
}

SCSS

$custom: #511d5c;
$custom-light: #845d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#511d5c",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 92
  },
  "hsl": {
    "h": 289.524,
    "s": 52.066,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33882,
    "c": 0.11715,
    "h": 320.2
  },
  "luminance": 0.03401
}

Semantic roles & 50–950 ramp

primary

#511D5C

secondary

#519144

accent

#DC4C65

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511D5C

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

Preview Lab → · Contrast checker → · Palette generator →