#511B61#511B61

#511B61 is a dark, vivid purple. Relative luminance 0.034; OKLCH L 34.0% C 0.125 H 317.5°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#511B61
RGB	rgb(81, 27, 97)
HSL	hsl(286, 56%, 24%)
HSV	hsv(286, 72%, 38%)
CMYK	cmyk(16.5%, 72.2%, 0%, 62%)
CIE-LAB	lab(21.57, 36.52, -30.18)
CIE-LCH	lch(21.57, 47.38, 320.44°)
OKLab	oklab(33.98% 0.0925 -0.0846)
OKLCH	oklch(33.98% 0.125 317.5)
XYZ	xyz(5.9426, 3.3965, 11.6495)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B61 #2B611B

analogous

#2E1B61 #511B61 #611B4E

triadic

#511B61 #61511B #1B6151

tetradic

#511B61 #612E1B #2B611B #1B4E61

square

#511B61 #612E1B #2B611B #1B4E61

split-complementary

#511B61 #4E611B #1B612E

monochromatic

#140718 #290E31 #511B61 #792891 #A136C1

Accessibility & contrast

On white

12.51

#511B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#511B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B61

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B61	#FFFFFF	#000000	##FFFFFF
##511B61	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003063

Deuteranopia (green-blind)

#1D355F

Tritanopia (blue-blind)

#50283B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511b61;
/* rgb */ color: rgb(81, 27, 97);
/* oklch */ color: oklch(34.0% 0.125 317.5);

Tailwind

colors: {
  custom: {
    50: '#845c8e',
    500: '#511b61',
    950: '#000000',
  },
}

SCSS

$custom: #511b61;
$custom-light: #845c8e;
$custom-dark: #000000;

JSON

{
  "hex": "#511b61",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 97
  },
  "hsl": {
    "h": 286.286,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33977,
    "c": 0.12539,
    "h": 317.5
  },
  "luminance": 0.03396
}

Semantic roles & 50–950 ramp

primary

#511B61

secondary

#559741

accent

#E0486B

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511B61

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

Preview Lab → · Contrast checker → · Palette generator →