#511D72#511D72

#511D72 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.5% C 0.141 H 308.8°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#511D72
RGB	rgb(81, 29, 114)
HSL	hsl(277, 59%, 28%)
HSV	hsv(277, 75%, 45%)
CMYK	cmyk(28.9%, 74.6%, 0%, 55.3%)
CIE-LAB	lab(23.15, 39.54, -38.69)
CIE-LCH	lch(23.15, 55.32, 315.62°)
OKLab	oklab(35.5% 0.0883 -0.1097)
OKLCH	oklch(35.5% 0.141 308.8)
XYZ	xyz(6.8693, 3.8431, 16.2962)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D72 #3E721D

analogous

#261D72 #511D72 #721D68

triadic

#511D72 #72511D #1D7251

tetradic

#511D72 #72261D #3E721D #1D6872

square

#511D72 #72261D #3E721D #1D6872

split-complementary

#511D72 #68721D #1D7226

monochromatic

#110618 #2E1141 #511D72 #7429A3 #953CCD

Accessibility & contrast

On white

11.87

#511D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D72

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D72	#FFFFFF	#000000	##FFFFFF
##511D72	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003574

Deuteranopia (green-blind)

#083870

Tritanopia (blue-blind)

#4C3045

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511d72;
/* rgb */ color: rgb(81, 29, 114);
/* oklch */ color: oklch(35.5% 0.141 308.8);

Tailwind

colors: {
  custom: {
    50: '#855e9b',
    500: '#511d72',
    950: '#000000',
  },
}

SCSS

$custom: #511d72;
$custom-light: #855e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#511d72",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 114
  },
  "hsl": {
    "h": 276.706,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35501,
    "c": 0.14079,
    "h": 308.8
  },
  "luminance": 0.03843
}

Semantic roles & 50–950 ramp

primary

#511D72

secondary

#6AA645

accent

#E34582

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511D72

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

Preview Lab → · Contrast checker → · Palette generator →