#511D7C#511D7C

#511D7C is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.3% C 0.152 H 304.7°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#511D7C
RGB	rgb(81, 29, 124)
HSL	hsl(273, 62%, 30%)
HSV	hsv(273, 77%, 49%)
CMYK	cmyk(34.7%, 76.6%, 0%, 51.4%)
CIE-LAB	lab(23.94, 42.00, -43.79)
CIE-LCH	lch(23.94, 60.67, 313.81°)
OKLab	oklab(36.32% 0.0864 -0.1246)
OKLCH	oklch(36.32% 0.152 304.7)
XYZ	xyz(7.4700, 4.0833, 19.4595)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.16

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D7C #487C1D

analogous

#211D7C #511D7C #7C1D78

triadic

#511D7C #7C511D #1D7C51

tetradic

#511D7C #7C211D #487C1D #1D787C

square

#511D7C #7C211D #487C1D #1D787C

split-complementary

#511D7C #787C1D #1D7C21

monochromatic

#100619 #31114A #511D7C #7129AE #9141D3

Accessibility & contrast

On white

11.56

#511D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#511D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D7C

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D7C	#FFFFFF	#000000	##FFFFFF
##511D7C	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#49344B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511d7c;
/* rgb */ color: rgb(81, 29, 124);
/* oklch */ color: oklch(36.3% 0.152 304.7);

Tailwind

colors: {
  custom: {
    50: '#865fa3',
    500: '#511d7c',
    950: '#000000',
  },
}

SCSS

$custom: #511d7c;
$custom-light: #865fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#511d7c",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 124
  },
  "hsl": {
    "h": 272.842,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.36319,
    "c": 0.15165,
    "h": 304.7
  },
  "luminance": 0.04083
}

Semantic roles & 50–950 ramp

primary

#511D7C

secondary

#75B045

accent

#E5438C

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511D7C

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

Preview Lab → · Contrast checker → · Palette generator →