#511B65#511B65

#511B65 is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.3% C 0.130 H 315.4°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#511B65
RGB	rgb(81, 27, 101)
HSL	hsl(284, 58%, 25%)
HSV	hsv(284, 73%, 40%)
CMYK	cmyk(19.8%, 73.3%, 0%, 60.4%)
CIE-LAB	lab(21.85, 37.42, -32.35)
CIE-LCH	lch(21.85, 49.47, 319.16°)
OKLab	oklab(34.27% 0.0922 -0.091)
OKLCH	oklch(34.27% 0.13 315.4)
XYZ	xyz(6.1339, 3.4730, 12.6566)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B65 #2F651B

analogous

#2C1B65 #511B65 #651B54

triadic

#511B65 #65511B #1B6551

tetradic

#511B65 #652C1B #2F651B #1B5465

square

#511B65 #652C1B #2F651B #1B5465

split-complementary

#511B65 #54651B #1B652C

monochromatic

#130618 #2A0E35 #511B65 #782895 #9E35C6

Accessibility & contrast

On white

12.39

#511B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#511B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B65

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B65	#FFFFFF	#000000	##FFFFFF
##511B65	1.00	12.39	1.69	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003167

Deuteranopia (green-blind)

#193663

Tritanopia (blue-blind)

#502A3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511b65;
/* rgb */ color: rgb(81, 27, 101);
/* oklch */ color: oklch(34.3% 0.130 315.4);

Tailwind

colors: {
  custom: {
    50: '#855c91',
    500: '#511b65',
    950: '#000000',
  },
}

SCSS

$custom: #511b65;
$custom-light: #855c91;
$custom-dark: #000000;

JSON

{
  "hex": "#511b65",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 283.784,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34267,
    "c": 0.12958,
    "h": 315.4
  },
  "luminance": 0.03473
}

Semantic roles & 50–950 ramp

primary

#511B65

secondary

#599A41

accent

#E14770

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511B65

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

Preview Lab → · Contrast checker → · Palette generator →