#511861#511861

#511861 is a dark, vivid purple. Relative luminance 0.033; OKLCH L 33.6% C 0.130 H 317.9°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#511861
RGB	rgb(81, 24, 97)
HSL	hsl(287, 60%, 24%)
HSV	hsv(287, 75%, 38%)
CMYK	cmyk(16.5%, 75.3%, 0%, 62%)
CIE-LAB	lab(21.08, 37.90, -30.96)
CIE-LCH	lch(21.08, 48.93, 320.75°)
OKLab	oklab(33.63% 0.0961 -0.0869)
OKLCH	oklch(33.63% 0.13 317.9)
XYZ	xyz(5.8773, 3.2659, 11.6277)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.10

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511861 #286118

analogous

#2C1861 #511861 #61184C

triadic

#511861 #615118 #186151

tetradic

#511861 #612C18 #286118 #184C61

square

#511861 #612C18 #286118 #184C61

split-complementary

#511861 #4C6118 #18612C

monochromatic

#140619 #280C30 #511861 #7A2492 #A330C3

Accessibility & contrast

On white

12.70

#511861 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#511861 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511861

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511861	#FFFFFF	#000000	##FFFFFF
##511861	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F63

Deuteranopia (green-blind)

#1B345F

Tritanopia (blue-blind)

#50263B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511861;
/* rgb */ color: rgb(81, 24, 97);
/* oklch */ color: oklch(33.6% 0.130 317.9);

Tailwind

colors: {
  custom: {
    50: '#855b8e',
    500: '#511861',
    950: '#000000',
  },
}

SCSS

$custom: #511861;
$custom-light: #855b8e;
$custom-dark: #000000;

JSON

{
  "hex": "#511861",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 97
  },
  "hsl": {
    "h": 286.849,
    "s": 60.331,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33628,
    "c": 0.12956,
    "h": 317.9
  },
  "luminance": 0.03266
}

Semantic roles & 50–950 ramp

primary

#511861

secondary

#51973D

accent

#E34467

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511861

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

Preview Lab → · Contrast checker → · Palette generator →