#51155B#51155B

#51155B is a dark, vivid purple. Relative luminance 0.030; OKLCH L 32.9% C 0.128 H 321.6°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#51155B
RGB	rgb(81, 21, 91)
HSL	hsl(291, 63%, 22%)
HSV	hsv(291, 77%, 36%)
CMYK	cmyk(11%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(20.21, 37.90, -28.38)
CIE-LCH	lch(20.21, 47.35, 323.18°)
OKLab	oklab(32.87% 0.0999 -0.0793)
OKLCH	oklch(32.87% 0.128 321.6)
XYZ	xyz(5.5496, 3.0413, 10.1902)
Luminance	0.0304 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51155B #1F5B15

analogous

#2E155B #51155B #5B1542

triadic

#51155B #5B5115 #155B51

tetradic

#51155B #5B2E15 #1F5B15 #15425B

square

#51155B #5B2E15 #1F5B15 #15425B

split-complementary

#51155B #425B15 #155B2E

monochromatic

#160619 #250A29 #51155B #7D208D #AA2CBE

Accessibility & contrast

On white

13.06

#51155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#51155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51155B

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51155B	#FFFFFF	#000000	##FFFFFF
##51155B	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#1E3359

Tritanopia (blue-blind)

#522236

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #51155b;
/* rgb */ color: rgb(81, 21, 91);
/* oklch */ color: oklch(32.9% 0.128 321.6);

Tailwind

colors: {
  custom: {
    50: '#85598a',
    500: '#51155b',
    950: '#000000',
  },
}

SCSS

$custom: #51155b;
$custom-light: #85598a;
$custom-dark: #000000;

JSON

{
  "hex": "#51155b",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 291.429,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.32873,
    "c": 0.12759,
    "h": 321.6
  },
  "luminance": 0.03041
}

Semantic roles & 50–950 ramp

primary

#51155B

secondary

#469239

accent

#E6425A

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #51155B

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

Preview Lab → · Contrast checker → · Palette generator →