#571B97#571B97

#571B97 is a dark, vivid violet. Relative luminance 0.050; OKLCH L 39.3% C 0.183 H 299.4°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#571B97
RGB	rgb(87, 27, 151)
HSL	hsl(269, 70%, 35%)
HSV	hsv(269, 82%, 59%)
CMYK	cmyk(42.4%, 82.1%, 0%, 40.8%)
CIE-LAB	lab(26.86, 50.56, -55.84)
CIE-LCH	lch(26.86, 75.33, 312.16°)
OKLab	oklab(39.27% 0.0899 -0.1598)
OKLCH	oklch(39.27% 0.183 299.4)
XYZ	xyz(9.9069, 5.0443, 29.7239)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B97 #5B971B

analogous

#1B1D97 #571B97 #951B97

triadic

#571B97 #97571B #1B9757

tetradic

#571B97 #971B1D #5B971B #1B9795

square

#571B97 #971B1D #5B971B #1B9795

split-complementary

#571B97 #97951B #1D971B

monochromatic

#1B082F #391263 #571B97 #7524CB #944DDF

Accessibility & contrast

On white

10.45

#571B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#571B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B97

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B97	#FFFFFF	#000000	##FFFFFF
##571B97	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9A

Deuteranopia (green-blind)

#003E95

Tritanopia (blue-blind)

#473E5A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #571b97;
/* rgb */ color: rgb(87, 27, 151);
/* oklch */ color: oklch(39.3% 0.183 299.4);

Tailwind

colors: {
  custom: {
    50: '#8d60b7',
    500: '#571b97',
    950: '#000000',
  },
}

SCSS

$custom: #571b97;
$custom-light: #8d60b7;
$custom-dark: #000000;

JSON

{
  "hex": "#571b97",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 151
  },
  "hsl": {
    "h": 269.032,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3927,
    "c": 0.18334,
    "h": 299.4
  },
  "luminance": 0.05044
}

Semantic roles & 50–950 ramp

primary

#571B97

secondary

#89C14C

accent

#EC3B97

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #571B97

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

Preview Lab → · Contrast checker → · Palette generator →