#511D7F#511D7F

#511D7F is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.6% C 0.155 H 303.6°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#511D7F
RGB	rgb(81, 29, 127)
HSL	hsl(272, 63%, 31%)
HSV	hsv(272, 77%, 50%)
CMYK	cmyk(36.2%, 77.2%, 0%, 50.2%)
CIE-LAB	lab(24.19, 42.74, -45.28)
CIE-LCH	lch(24.19, 62.27, 313.35°)
OKLab	oklab(36.57% 0.0858 -0.129)
OKLCH	oklch(36.57% 0.155 303.6)
XYZ	xyz(7.6626, 4.1604, 20.4739)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.95

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D7F #4B7F1D

analogous

#201D7F #511D7F #7F1D7C

triadic

#511D7F #7F511D #1D7F51

tetradic

#511D7F #7F201D #4B7F1D #1D7C7F

square

#511D7F #7F201D #4B7F1D #1D7C7F

split-complementary

#511D7F #7C7F1D #1D7F20

monochromatic

#11061B #31124D #511D7F #7128B1 #9042D4

Accessibility & contrast

On white

11.46

#511D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#511D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D7F

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D7F	#FFFFFF	#000000	##FFFFFF
##511D7F	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003882

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#48364D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511d7f;
/* rgb */ color: rgb(81, 29, 127);
/* oklch */ color: oklch(36.6% 0.155 303.6);

Tailwind

colors: {
  custom: {
    50: '#875fa5',
    500: '#511d7f',
    950: '#000000',
  },
}

SCSS

$custom: #511d7f;
$custom-light: #875fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#511d7f",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 127
  },
  "hsl": {
    "h": 271.837,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.36573,
    "c": 0.15491,
    "h": 303.6
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary

#511D7F

secondary

#79B245

accent

#E6428F

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511D7F

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

Preview Lab → · Contrast checker → · Palette generator →