#511D6A#511D6A

#511D6A is a dark, vivid purple. Relative luminance 0.037; OKLCH L 34.9% C 0.132 H 312.6°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#511D6A
RGB	rgb(81, 29, 106)
HSL	hsl(281, 57%, 26%)
HSV	hsv(281, 73%, 42%)
CMYK	cmyk(23.6%, 72.6%, 0%, 58.4%)
CIE-LAB	lab(22.54, 37.63, -34.49)
CIE-LCH	lch(22.54, 51.05, 317.49°)
OKLab	oklab(34.88% 0.0894 -0.0973)
OKLCH	oklch(34.88% 0.132 312.6)
XYZ	xyz(6.4338, 3.6688, 14.0021)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D6A #366A1D

analogous

#2B1D6A #511D6A #6A1D5D

triadic

#511D6A #6A511D #1D6A51

tetradic

#511D6A #6A2B1D #366A1D #1D5D6A

square

#511D6A #6A2B1D #366A1D #1D5D6A

split-complementary

#511D6A #5D6A1D #1D6A2B

monochromatic

#120718 #2C103A #511D6A #762A9A #9A39C9

Accessibility & contrast

On white

12.11

#511D6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#511D6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D6A

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D6A	#FFFFFF	#000000	##FFFFFF
##511D6A	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336C

Deuteranopia (green-blind)

#163768

Tritanopia (blue-blind)

#4E2D41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511d6a;
/* rgb */ color: rgb(81, 29, 106);
/* oklch */ color: oklch(34.9% 0.132 312.6);

Tailwind

colors: {
  custom: {
    50: '#855e95',
    500: '#511d6a',
    950: '#000000',
  },
}

SCSS

$custom: #511d6a;
$custom-light: #855e95;
$custom-dark: #000000;

JSON

{
  "hex": "#511d6a",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 106
  },
  "hsl": {
    "h": 280.519,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.34882,
    "c": 0.13212,
    "h": 312.6
  },
  "luminance": 0.03669
}

Semantic roles & 50–950 ramp

primary

#511D6A

secondary

#629F44

accent

#E04879

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511D6A

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

Preview Lab → · Contrast checker → · Palette generator →