#511163#511163

#511163 is a dark, vivid purple. Relative luminance 0.031; OKLCH L 33.1% C 0.140 H 317.4°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#511163
RGB	rgb(81, 17, 99)
HSL	hsl(287, 71%, 23%)
HSV	hsv(287, 83%, 39%)
CMYK	cmyk(18.2%, 82.8%, 0%, 61.2%)
CIE-LAB	lab(20.25, 41.12, -33.61)
CIE-LCH	lch(20.25, 53.11, 320.74°)
OKLab	oklab(33.09% 0.1031 -0.0946)
OKLCH	oklch(33.09% 0.14 317.4)
XYZ	xyz(5.8456, 3.0513, 12.0830)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511163 #236311

analogous

#281163 #511163 #63114C

triadic

#511163 #635111 #116351

tetradic

#511163 #632811 #236311 #114C63

square

#511163 #632811 #236311 #114C63

split-complementary

#511163 #4C6311 #116328

monochromatic

#15041A #26082F #511163 #7C1A97 #A623CB

Accessibility & contrast

On white

13.04

#511163 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#511163 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511163

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511163	#FFFFFF	#000000	##FFFFFF
##511163	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D65

Deuteranopia (green-blind)

#133361

Tritanopia (blue-blind)

#50233A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #511163;
/* rgb */ color: rgb(81, 17, 99);
/* oklch */ color: oklch(33.1% 0.140 317.4);

Tailwind

colors: {
  custom: {
    50: '#855890',
    500: '#511163',
    950: '#000000',
  },
}

SCSS

$custom: #511163;
$custom-light: #855890;
$custom-dark: #000000;

JSON

{
  "hex": "#511163",
  "rgb": {
    "r": 81,
    "g": 17,
    "b": 99
  },
  "hsl": {
    "h": 286.829,
    "s": 70.69,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33085,
    "c": 0.13992,
    "h": 317.4
  },
  "luminance": 0.03051
}

Semantic roles & 50–950 ramp

primary

#511163

secondary

#4B9B34

accent

#ED3A62

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511163

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

Preview Lab → · Contrast checker → · Palette generator →