#511B67#511B67

#511B67 is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.4% C 0.132 H 314.3°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#511B67
RGB	rgb(81, 27, 103)
HSL	hsl(283, 58%, 25%)
HSV	hsv(283, 74%, 40%)
CMYK	cmyk(21.4%, 73.8%, 0%, 59.6%)
CIE-LAB	lab(21.99, 37.88, -33.43)
CIE-LCH	lch(21.99, 50.52, 318.57°)
OKLab	oklab(34.42% 0.092 -0.0942)
OKLCH	oklch(34.42% 0.132 314.3)
XYZ	xyz(6.2330, 3.5127, 13.1790)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B67 #31671B

analogous

#2B1B67 #511B67 #671B57

triadic

#511B67 #67511B #1B6751

tetradic

#511B67 #672B1B #31671B #1B5767

square

#511B67 #672B1B #31671B #1B5767

split-complementary

#511B67 #57671B #1B672B

monochromatic

#130618 #2B0E37 #511B67 #772897 #9D34C8

Accessibility & contrast

On white

12.34

#511B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#511B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B67

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B67	#FFFFFF	#000000	##FFFFFF
##511B67	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003269

Deuteranopia (green-blind)

#173665

Tritanopia (blue-blind)

#4F2B3F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511b67;
/* rgb */ color: rgb(81, 27, 103);
/* oklch */ color: oklch(34.4% 0.132 314.3);

Tailwind

colors: {
  custom: {
    50: '#855d93',
    500: '#511b67',
    950: '#000000',
  },
}

SCSS

$custom: #511b67;
$custom-light: #855d93;
$custom-dark: #000000;

JSON

{
  "hex": "#511b67",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 103
  },
  "hsl": {
    "h": 282.632,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34416,
    "c": 0.13169,
    "h": 314.3
  },
  "luminance": 0.03512
}

Semantic roles & 50–950 ramp

primary

#511B67

secondary

#5C9C42

accent

#E24673

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511B67

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

Preview Lab → · Contrast checker → · Palette generator →