#511680#511680

#511680 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.163 H 304.2°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#511680
RGB	rgb(81, 22, 128)
HSL	hsl(273, 71%, 29%)
HSV	hsv(273, 83%, 50%)
CMYK	cmyk(36.7%, 82.8%, 0%, 49.8%)
CIE-LAB	lab(23.28, 45.88, -47.41)
CIE-LCH	lch(23.28, 65.98, 314.06°)
OKLab	oklab(35.96% 0.0917 -0.1352)
OKLCH	oklch(35.96% 0.163 304.2)
XYZ	xyz(7.5756, 3.8817, 20.7680)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.81

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511680 #458016

analogous

#1C1680 #511680 #80167A

triadic

#511680 #805116 #168051

tetradic

#511680 #801C16 #458016 #167A80

square

#511680 #801C16 #458016 #167A80

split-complementary

#511680 #7A8016 #16801C

monochromatic

#11041A #300D4C #511680 #721FB4 #9234DC

Accessibility & contrast

On white

11.82

#511680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#511680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511680

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511680	#FFFFFF	#000000	##FFFFFF
##511680	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003683

Deuteranopia (green-blind)

#00377E

Tritanopia (blue-blind)

#48334C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511680;
/* rgb */ color: rgb(81, 22, 128);
/* oklch */ color: oklch(36.0% 0.163 304.2);

Tailwind

colors: {
  custom: {
    50: '#875ca6',
    500: '#511680',
    950: '#000000',
  },
}

SCSS

$custom: #511680;
$custom-light: #875ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#511680",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 128
  },
  "hsl": {
    "h": 273.396,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35956,
    "c": 0.1634,
    "h": 304.2
  },
  "luminance": 0.03882
}

Semantic roles & 50–950 ramp

primary

#511680

secondary

#72B53D

accent

#ED3A8A

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #511680

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

Preview Lab → · Contrast checker → · Palette generator →