#511C72#511C72

#511C72 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.4% C 0.142 H 309.0°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#511C72
RGB	rgb(81, 28, 114)
HSL	hsl(277, 61%, 28%)
HSV	hsv(277, 75%, 45%)
CMYK	cmyk(28.9%, 75.4%, 0%, 55.3%)
CIE-LAB	lab(22.98, 40.00, -38.96)
CIE-LCH	lch(22.98, 55.84, 315.76°)
OKLab	oklab(35.38% 0.0894 -0.1104)
OKLCH	oklch(35.38% 0.142 309)
XYZ	xyz(6.8452, 3.7949, 16.2882)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C72 #3D721C

analogous

#261C72 #511C72 #721C68

triadic

#511C72 #72511C #1C7251

tetradic

#511C72 #72261C #3D721C #1C6872

square

#511C72 #72261C #3D721C #1C6872

split-complementary

#511C72 #68721C #1C7226

monochromatic

#110619 #2E1041 #511C72 #7428A3 #953ACF

Accessibility & contrast

On white

11.94

#511C72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#511C72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C72

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C72	#FFFFFF	#000000	##FFFFFF
##511C72	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003574

Deuteranopia (green-blind)

#063770

Tritanopia (blue-blind)

#4C3045

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511c72;
/* rgb */ color: rgb(81, 28, 114);
/* oklch */ color: oklch(35.4% 0.142 309.0);

Tailwind

colors: {
  custom: {
    50: '#855e9b',
    500: '#511c72',
    950: '#000000',
  },
}

SCSS

$custom: #511c72;
$custom-light: #855e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#511c72",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 114
  },
  "hsl": {
    "h": 276.977,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35384,
    "c": 0.14208,
    "h": 309
  },
  "luminance": 0.03795
}

Semantic roles & 50–950 ramp

primary

#511C72

secondary

#69A643

accent

#E44481

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511C72

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

Preview Lab → · Contrast checker → · Palette generator →