#511568#511568

#511568 is a dark, vivid purple. Relative luminance 0.033; OKLCH L 33.8% C 0.140 H 314.5°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#511568
RGB	rgb(81, 21, 104)
HSL	hsl(283, 66%, 25%)
HSV	hsv(283, 80%, 41%)
CMYK	cmyk(22.1%, 79.8%, 0%, 59.2%)
CIE-LAB	lab(21.15, 40.70, -35.44)
CIE-LCH	lch(21.15, 53.96, 318.95°)
OKLab	oklab(33.84% 0.0984 -0.1)
OKLCH	oklch(33.84% 0.14 314.5)
XYZ	xyz(6.1598, 3.2854, 13.4037)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511568 #2C6815

analogous

#271568 #511568 #681556

triadic

#511568 #685115 #156851

tetradic

#511568 #682715 #2C6815 #155668

square

#511568 #682715 #2C6815 #155668

split-complementary

#511568 #566815 #156827

monochromatic

#140519 #290B35 #511568 #791F9B #A02ACE

Accessibility & contrast

On white

12.67

#511568 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#511568 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511568

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511568	#FFFFFF	#000000	##FFFFFF
##511568	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306A

Deuteranopia (green-blind)

#103466

Tritanopia (blue-blind)

#4F283E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511568;
/* rgb */ color: rgb(81, 21, 104);
/* oklch */ color: oklch(33.8% 0.140 314.5);

Tailwind

colors: {
  custom: {
    50: '#855a94',
    500: '#511568',
    950: '#000000',
  },
}

SCSS

$custom: #511568;
$custom-light: #855a94;
$custom-dark: #000000;

JSON

{
  "hex": "#511568",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 104
  },
  "hsl": {
    "h": 283.373,
    "s": 66.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.33844,
    "c": 0.14032,
    "h": 314.5
  },
  "luminance": 0.03285
}

Semantic roles & 50–950 ramp

primary

#511568

secondary

#569F3A

accent

#E93E6E

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511568

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

Preview Lab → · Contrast checker → · Palette generator →