#511C65#511C65

#511C65 is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.4% C 0.128 H 315.2°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#511C65
RGB	rgb(81, 28, 101)
HSL	hsl(284, 57%, 25%)
HSV	hsv(284, 72%, 40%)
CMYK	cmyk(19.8%, 72.3%, 0%, 60.4%)
CIE-LAB	lab(22.02, 36.95, -32.08)
CIE-LCH	lch(22.02, 48.94, 319.03°)
OKLab	oklab(34.39% 0.091 -0.0902)
OKLCH	oklch(34.39% 0.128 315.2)
XYZ	xyz(6.1572, 3.5196, 12.6644)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C65 #30651C

analogous

#2D1C65 #511C65 #651C54

triadic

#511C65 #65511C #1C6551

tetradic

#511C65 #652D1C #30651C #1C5465

square

#511C65 #652D1C #30651C #1C5465

split-complementary

#511C65 #54651C #1C652D

monochromatic

#130718 #2B0F35 #511C65 #772995 #9E37C5

Accessibility & contrast

On white

12.33

#511C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#511C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C65

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C65	#FFFFFF	#000000	##FFFFFF
##511C65	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003267

Deuteranopia (green-blind)

#1A3663

Tritanopia (blue-blind)

#4F2A3E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511c65;
/* rgb */ color: rgb(81, 28, 101);
/* oklch */ color: oklch(34.4% 0.128 315.2);

Tailwind

colors: {
  custom: {
    50: '#855d91',
    500: '#511c65',
    950: '#000000',
  },
}

SCSS

$custom: #511c65;
$custom-light: #855d91;
$custom-dark: #000000;

JSON

{
  "hex": "#511c65",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 101
  },
  "hsl": {
    "h": 283.562,
    "s": 56.589,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34388,
    "c": 0.12816,
    "h": 315.2
  },
  "luminance": 0.03519
}

Semantic roles & 50–950 ramp

primary

#511C65

secondary

#5B9A43

accent

#E04872

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511C65

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

Preview Lab → · Contrast checker → · Palette generator →