#511D73#511D73

#511D73 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.6% C 0.142 H 308.4°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#511D73
RGB	rgb(81, 29, 115)
HSL	hsl(276, 60%, 28%)
HSV	hsv(276, 75%, 45%)
CMYK	cmyk(29.6%, 74.8%, 0%, 54.9%)
CIE-LAB	lab(23.22, 39.78, -39.21)
CIE-LCH	lch(23.22, 55.86, 315.41°)
OKLab	oklab(35.58% 0.0881 -0.1112)
OKLCH	oklch(35.58% 0.142 308.4)
XYZ	xyz(6.9266, 3.8660, 16.5976)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D73 #3F731D

analogous

#261D73 #511D73 #731D6A

triadic

#511D73 #73511D #1D7351

tetradic

#511D73 #73261D #3F731D #1D6A73

square

#511D73 #73261D #3F731D #1D6A73

split-complementary

#511D73 #6A731D #1D7326

monochromatic

#110618 #2F1142 #511D73 #7329A4 #943CCE

Accessibility & contrast

On white

11.84

#511D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D73

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D73	#FFFFFF	#000000	##FFFFFF
##511D73	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003575

Deuteranopia (green-blind)

#063871

Tritanopia (blue-blind)

#4C3146

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511d73;
/* rgb */ color: rgb(81, 29, 115);
/* oklch */ color: oklch(35.6% 0.142 308.4);

Tailwind

colors: {
  custom: {
    50: '#865e9c',
    500: '#511d73',
    950: '#000000',
  },
}

SCSS

$custom: #511d73;
$custom-light: #865e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#511d73",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 115
  },
  "hsl": {
    "h": 276.279,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35581,
    "c": 0.14187,
    "h": 308.4
  },
  "luminance": 0.03866
}

Semantic roles & 50–950 ramp

primary

#511D73

secondary

#6CA745

accent

#E34583

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511D73

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

Preview Lab → · Contrast checker → · Palette generator →