#511F68#511F68

#511F68 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.0% C 0.127 H 313.3°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#511F68
RGB	rgb(81, 31, 104)
HSL	hsl(281, 54%, 26%)
HSV	hsv(281, 70%, 41%)
CMYK	cmyk(22.1%, 70.2%, 0%, 59.2%)
CIE-LAB	lab(22.75, 36.17, -32.86)
CIE-LCH	lch(22.75, 48.87, 317.75°)
OKLab	oklab(34.99% 0.0871 -0.0925)
OKLCH	oklch(34.99% 0.127 313.3)
XYZ	xyz(6.3816, 3.7290, 13.4776)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F68 #36681F

analogous

#2D1F68 #511F68 #681F5B

triadic

#511F68 #68511F #1F6851

tetradic

#511F68 #682D1F #36681F #1F5B68

square

#511F68 #682D1F #36681F #1F5B68

split-complementary

#511F68 #5B681F #1F682D

monochromatic

#120718 #2C1139 #511F68 #762D97 #9A3CC5

Accessibility & contrast

On white

12.03

#511F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#511F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F68

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F68	#FFFFFF	#000000	##FFFFFF
##511F68	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346A

Deuteranopia (green-blind)

#1A3766

Tritanopia (blue-blind)

#4F2D40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511f68;
/* rgb */ color: rgb(81, 31, 104);
/* oklch */ color: oklch(35.0% 0.127 313.3);

Tailwind

colors: {
  custom: {
    50: '#855f94',
    500: '#511f68',
    950: '#000000',
  },
}

SCSS

$custom: #511f68;
$custom-light: #855f94;
$custom-dark: #000000;

JSON

{
  "hex": "#511f68",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 104
  },
  "hsl": {
    "h": 281.096,
    "s": 54.074,
    "l": 26.471
  },
  "oklch": {
    "l": 0.34986,
    "c": 0.12706,
    "h": 313.3
  },
  "luminance": 0.03729
}

Semantic roles & 50–950 ramp

primary

#511F68

secondary

#629C46

accent

#DD4A79

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B050D

muted

#7C797E

Preview Lab

Preview with #511F68

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

Preview Lab → · Contrast checker → · Palette generator →