#511661#511661

#511661 is a dark, vivid purple. Relative luminance 0.032; OKLCH L 33.4% C 0.132 H 318.1°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#511661
RGB	rgb(81, 22, 97)
HSL	hsl(287, 63%, 23%)
HSV	hsv(287, 77%, 38%)
CMYK	cmyk(16.5%, 77.3%, 0%, 62%)
CIE-LAB	lab(20.78, 38.76, -31.44)
CIE-LCH	lch(20.78, 49.91, 320.95°)
OKLab	oklab(33.41% 0.0983 -0.0883)
OKLCH	oklch(33.41% 0.132 318.1)
XYZ	xyz(5.8376, 3.1865, 11.6145)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 3.94

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511661 #266116

analogous

#2B1661 #511661 #61164B

triadic

#511661 #615116 #166151

tetradic

#511661 #612B16 #266116 #164B61

square

#511661 #612B16 #266116 #164B61

split-complementary

#511661 #4B6116 #16612B

monochromatic

#150619 #270B2F #511661 #7B2193 #A42DC5

Accessibility & contrast

On white

12.83

#511661 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#511661 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511661

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511661	#FFFFFF	#000000	##FFFFFF
##511661	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E63

Deuteranopia (green-blind)

#19345F

Tritanopia (blue-blind)

#51253A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511661;
/* rgb */ color: rgb(81, 22, 97);
/* oklch */ color: oklch(33.4% 0.132 318.1);

Tailwind

colors: {
  custom: {
    50: '#855a8e',
    500: '#511661',
    950: '#000000',
  },
}

SCSS

$custom: #511661;
$custom-light: #855a8e;
$custom-dark: #000000;

JSON

{
  "hex": "#511661",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 97
  },
  "hsl": {
    "h": 287.2,
    "s": 63.025,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33412,
    "c": 0.13217,
    "h": 318.1
  },
  "luminance": 0.03186
}

Semantic roles & 50–950 ramp

primary

#511661

secondary

#4F983B

accent

#E64265

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511661

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

Preview Lab → · Contrast checker → · Palette generator →