#571B76#571B76

#571B76 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.149 H 311.2°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#571B76
RGB	rgb(87, 27, 118)
HSL	hsl(280, 63%, 28%)
HSV	hsv(280, 77%, 46%)
CMYK	cmyk(26.3%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(24.06, 42.66, -39.74)
CIE-LCH	lch(24.06, 58.30, 317.03°)
OKLab	oklab(36.44% 0.0984 -0.1125)
OKLCH	oklch(36.44% 0.149 311.2)
XYZ	xyz(7.5918, 4.1183, 17.5310)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B76 #3A761B

analogous

#291B76 #571B76 #761B67

triadic

#571B76 #76571B #1B7657

tetradic

#571B76 #76291B #3A761B #1B6776

square

#571B76 #76291B #3A761B #1B6776

split-complementary

#571B76 #67761B #1B7629

monochromatic

#120619 #321044 #571B76 #7C26A8 #9E3AD2

Accessibility & contrast

On white

11.52

#571B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#571B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B76

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B76	#FFFFFF	#000000	##FFFFFF
##571B76	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003679

Deuteranopia (green-blind)

#0A3A74

Tritanopia (blue-blind)

#533047

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #571b76;
/* rgb */ color: rgb(87, 27, 118);
/* oklch */ color: oklch(36.4% 0.149 311.2);

Tailwind

colors: {
  custom: {
    50: '#8a5e9e',
    500: '#571b76',
    950: '#000000',
  },
}

SCSS

$custom: #571b76;
$custom-light: #8a5e9e;
$custom-dark: #000000;

JSON

{
  "hex": "#571b76",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 279.56,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36438,
    "c": 0.14945,
    "h": 311.2
  },
  "luminance": 0.04118
}

Semantic roles & 50–950 ramp

primary

#571B76

secondary

#66AA42

accent

#E6427A

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #571B76

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

Preview Lab → · Contrast checker → · Palette generator →