#51105D#51105D

#51105D is a dark, vivid purple. Relative luminance 0.029; OKLCH L 32.5% C 0.135 H 320.8°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#51105D
RGB	rgb(81, 16, 93)
HSL	hsl(291, 71%, 21%)
HSV	hsv(291, 83%, 36%)
CMYK	cmyk(12.9%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(19.68, 40.23, -30.55)
CIE-LCH	lch(19.68, 50.51, 322.78°)
OKLab	oklab(32.54% 0.1049 -0.0857)
OKLCH	oklch(32.54% 0.135 320.8)
XYZ	xyz(5.5542, 2.9105, 10.6230)
Luminance	0.0291 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51105D #1C5D10

analogous

#2B105D #51105D #5D1043

triadic

#51105D #5D5110 #105D51

tetradic

#51105D #5D2B10 #1C5D10 #10435D

square

#51105D #5D2B10 #1C5D10 #10435D

split-complementary

#51105D #435D10 #105D2B

monochromatic

#17041A #240729 #51105D #7E1991 #AC22C5

Accessibility & contrast

On white

13.27

#51105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#51105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51105D

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51105D	#FFFFFF	#000000	##FFFFFF
##51105D	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5F

Deuteranopia (green-blind)

#19325B

Tritanopia (blue-blind)

#522036

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #51105d;
/* rgb */ color: rgb(81, 16, 93);
/* oklch */ color: oklch(32.5% 0.135 320.8);

Tailwind

colors: {
  custom: {
    50: '#85578b',
    500: '#51105d',
    950: '#000000',
  },
}

SCSS

$custom: #51105d;
$custom-light: #85578b;
$custom-dark: #000000;

JSON

{
  "hex": "#51105d",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 290.649,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32544,
    "c": 0.13539,
    "h": 320.8
  },
  "luminance": 0.0291
}

Semantic roles & 50–950 ramp

primary

#51105D

secondary

#429633

accent

#ED3A56

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0B030C

muted

#7C787D

Preview Lab

Preview with #51105D

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

Preview Lab → · Contrast checker → · Palette generator →