#511D68#511D68

#511D68 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.7% C 0.130 H 313.6°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#511D68
RGB	rgb(81, 29, 104)
HSL	hsl(282, 56%, 26%)
HSV	hsv(282, 72%, 41%)
CMYK	cmyk(22.1%, 72.1%, 0%, 59.2%)
CIE-LAB	lab(22.40, 37.16, -33.42)
CIE-LCH	lch(22.40, 49.98, 318.03°)
OKLab	oklab(34.73% 0.0895 -0.0942)
OKLCH	oklch(34.73% 0.13 313.6)
XYZ	xyz(6.3310, 3.6277, 13.4607)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D68 #34681D

analogous

#2B1D68 #511D68 #681D59

triadic

#511D68 #68511D #1D6851

tetradic

#511D68 #682B1D #34681D #1D5968

square

#511D68 #682B1D #34681D #1D5968

split-complementary

#511D68 #59681D #1D682B

monochromatic

#130718 #2C1038 #511D68 #762A98 #9B38C7

Accessibility & contrast

On white

12.17

#511D68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#511D68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D68

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D68	#FFFFFF	#000000	##FFFFFF
##511D68	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336A

Deuteranopia (green-blind)

#183766

Tritanopia (blue-blind)

#4F2C40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511d68;
/* rgb */ color: rgb(81, 29, 104);
/* oklch */ color: oklch(34.7% 0.130 313.6);

Tailwind

colors: {
  custom: {
    50: '#855e94',
    500: '#511d68',
    950: '#000000',
  },
}

SCSS

$custom: #511d68;
$custom-light: #855e94;
$custom-dark: #000000;

JSON

{
  "hex": "#511d68",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 104
  },
  "hsl": {
    "h": 281.6,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34732,
    "c": 0.12995,
    "h": 313.6
  },
  "luminance": 0.03628
}

Semantic roles & 50–950 ramp

primary

#511D68

secondary

#5F9D44

accent

#E04877

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511D68

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

Preview Lab → · Contrast checker → · Palette generator →