#511571#511571

#511571 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.6% C 0.149 H 310.3°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#511571
RGB	rgb(81, 21, 113)
HSL	hsl(279, 69%, 26%)
HSV	hsv(279, 81%, 44%)
CMYK	cmyk(28.3%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(21.87, 42.73, -40.13)
CIE-LCH	lch(21.87, 58.62, 316.80°)
OKLab	oklab(34.57% 0.0966 -0.1138)
OKLCH	oklch(34.57% 0.149 310.3)
XYZ	xyz(6.6416, 3.4781, 15.9410)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511571 #357115

analogous

#231571 #511571 #711563

triadic

#511571 #715115 #157151

tetradic

#511571 #712315 #357115 #156371

square

#511571 #712315 #357115 #156371

split-complementary

#511571 #637115 #157123

monochromatic

#12051A #2C0B3D #511571 #761FA5 #9B29D7

Accessibility & contrast

On white

12.38

#511571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#511571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511571

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511571	#FFFFFF	#000000	##FFFFFF
##511571	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003273

Deuteranopia (green-blind)

#00356F

Tritanopia (blue-blind)

#4C2C43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511571;
/* rgb */ color: rgb(81, 21, 113);
/* oklch */ color: oklch(34.6% 0.149 310.3);

Tailwind

colors: {
  custom: {
    50: '#865a9a',
    500: '#511571',
    950: '#000000',
  },
}

SCSS

$custom: #511571;
$custom-light: #865a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511571",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 279.13,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34571,
    "c": 0.14927,
    "h": 310.3
  },
  "luminance": 0.03478
}

Semantic roles & 50–950 ramp

primary

#511571

secondary

#60A73B

accent

#EB3C79

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511571

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

Preview Lab → · Contrast checker → · Palette generator →