#511C67#511C67

#511C67 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.5% C 0.130 H 314.2°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#511C67
RGB	rgb(81, 28, 103)
HSL	hsl(282, 57%, 26%)
HSV	hsv(282, 73%, 40%)
CMYK	cmyk(21.4%, 72.8%, 0%, 59.6%)
CIE-LAB	lab(22.16, 37.41, -33.16)
CIE-LCH	lch(22.16, 49.99, 318.44°)
OKLab	oklab(34.53% 0.0908 -0.0934)
OKLCH	oklch(34.53% 0.13 314.2)
XYZ	xyz(6.2564, 3.5593, 13.1868)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C67 #32671C

analogous

#2B1C67 #511C67 #671C57

triadic

#511C67 #67511C #1C6751

tetradic

#511C67 #672B1C #32671C #1C5767

square

#511C67 #672B1C #32671C #1C5767

split-complementary

#511C67 #57671C #1C672B

monochromatic

#130718 #2B0F37 #511C67 #772997 #9D36C7

Accessibility & contrast

On white

12.27

#511C67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#511C67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C67

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C67	#FFFFFF	#000000	##FFFFFF
##511C67	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003269

Deuteranopia (green-blind)

#183665

Tritanopia (blue-blind)

#4F2B3F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511c67;
/* rgb */ color: rgb(81, 28, 103);
/* oklch */ color: oklch(34.5% 0.130 314.2);

Tailwind

colors: {
  custom: {
    50: '#855d93',
    500: '#511c67',
    950: '#000000',
  },
}

SCSS

$custom: #511c67;
$custom-light: #855d93;
$custom-dark: #000000;

JSON

{
  "hex": "#511c67",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 103
  },
  "hsl": {
    "h": 282.4,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34535,
    "c": 0.1303,
    "h": 314.2
  },
  "luminance": 0.03559
}

Semantic roles & 50–950 ramp

primary

#511C67

secondary

#5D9C43

accent

#E14774

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511C67

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

Preview Lab → · Contrast checker → · Palette generator →