#511C6A#511C6A

#511C6A is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.8% C 0.134 H 312.7°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#511C6A
RGB	rgb(81, 28, 106)
HSL	hsl(281, 58%, 26%)
HSV	hsv(281, 74%, 42%)
CMYK	cmyk(23.6%, 73.6%, 0%, 58.4%)
CIE-LAB	lab(22.38, 38.11, -34.77)
CIE-LCH	lch(22.38, 51.58, 317.62°)
OKLab	oklab(34.76% 0.0905 -0.0981)
OKLCH	oklch(34.76% 0.134 312.7)
XYZ	xyz(6.4096, 3.6206, 13.9941)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C6A #356A1C

analogous

#2A1C6A #511C6A #6A1C5C

triadic

#511C6A #6A511C #1C6A51

tetradic

#511C6A #6A2A1C #356A1C #1C5C6A

square

#511C6A #6A2A1C #356A1C #1C5C6A

split-complementary

#511C6A #5C6A1C #1C6A2A

monochromatic

#120618 #2C0F3A #511C6A #76299A #9B36CA

Accessibility & contrast

On white

12.18

#511C6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#511C6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C6A

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C6A	#FFFFFF	#000000	##FFFFFF
##511C6A	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336C

Deuteranopia (green-blind)

#153768

Tritanopia (blue-blind)

#4E2C41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511c6a;
/* rgb */ color: rgb(81, 28, 106);
/* oklch */ color: oklch(34.8% 0.134 312.7);

Tailwind

colors: {
  custom: {
    50: '#855d95',
    500: '#511c6a',
    950: '#000000',
  },
}

SCSS

$custom: #511c6a;
$custom-light: #855d95;
$custom-dark: #000000;

JSON

{
  "hex": "#511c6a",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 106
  },
  "hsl": {
    "h": 280.769,
    "s": 58.209,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34761,
    "c": 0.1335,
    "h": 312.7
  },
  "luminance": 0.0362
}

Semantic roles & 50–950 ramp

primary

#511C6A

secondary

#609F43

accent

#E14678

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511C6A

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

Preview Lab → · Contrast checker → · Palette generator →