#511D7D#511D7D

#511D7D is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.153 H 304.4°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#511D7D
RGB	rgb(81, 29, 125)
HSL	hsl(273, 62%, 30%)
HSV	hsv(273, 77%, 49%)
CMYK	cmyk(35.2%, 76.8%, 0%, 51%)
CIE-LAB	lab(24.03, 42.24, -44.28)
CIE-LCH	lch(24.03, 61.20, 313.65°)
OKLab	oklab(36.4% 0.0862 -0.1261)
OKLCH	oklch(36.4% 0.153 304.4)
XYZ	xyz(7.5335, 4.1088, 19.7942)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.08

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D7D #497D1D

analogous

#211D7D #511D7D #7D1D79

triadic

#511D7D #7D511D #1D7D51

tetradic

#511D7D #7D211D #497D1D #1D797D

square

#511D7D #7D211D #497D1D #1D797D

split-complementary

#511D7D #797D1D #1D7D21

monochromatic

#11061A #31114B #511D7D #7129AF #9041D3

Accessibility & contrast

On white

11.53

#511D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#511D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D7D

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D7D	#FFFFFF	#000000	##FFFFFF
##511D7D	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00397B

Tritanopia (blue-blind)

#48354B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511d7d;
/* rgb */ color: rgb(81, 29, 125);
/* oklch */ color: oklch(36.4% 0.153 304.4);

Tailwind

colors: {
  custom: {
    50: '#865fa3',
    500: '#511d7d',
    950: '#000000',
  },
}

SCSS

$custom: #511d7d;
$custom-light: #865fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#511d7d",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 125
  },
  "hsl": {
    "h": 272.5,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36403,
    "c": 0.15274,
    "h": 304.4
  },
  "luminance": 0.04109
}

Semantic roles & 50–950 ramp

primary

#511D7D

secondary

#76B145

accent

#E5428D

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511D7D

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

Preview Lab → · Contrast checker → · Palette generator →