#571B8B#571B8B

#571B8B is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.2% C 0.171 H 303.2°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#571B8B
RGB	rgb(87, 27, 139)
HSL	hsl(272, 67%, 33%)
HSV	hsv(272, 81%, 55%)
CMYK	cmyk(37.4%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(25.79, 47.63, -50.18)
CIE-LCH	lch(25.79, 69.18, 313.51°)
OKLab	oklab(38.19% 0.0935 -0.1432)
OKLCH	oklch(38.19% 0.171 303.2)
XYZ	xyz(8.9815, 4.6742, 24.8501)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B8B #4F8B1B

analogous

#1F1B8B #571B8B #8B1B87

triadic

#571B8B #8B571B #1B8B57

tetradic

#571B8B #8B1F1B #4F8B1B #1B878B

square

#571B8B #8B1F1B #4F8B1B #1B878B

split-complementary

#571B8B #878B1B #1B8B1F

monochromatic

#170725 #371158 #571B8B #7725BE #9645DB

Accessibility & contrast

On white

10.85

#571B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#571B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B8B

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B8B	#FFFFFF	#000000	##FFFFFF
##571B8B	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#4C3953

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #571b8b;
/* rgb */ color: rgb(87, 27, 139);
/* oklch */ color: oklch(38.2% 0.171 303.2);

Tailwind

colors: {
  custom: {
    50: '#8c5fae',
    500: '#571b8b',
    950: '#000000',
  },
}

SCSS

$custom: #571b8b;
$custom-light: #8c5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#571b8b",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 272.143,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38191,
    "c": 0.17101,
    "h": 303.2
  },
  "luminance": 0.04674
}

Semantic roles & 50–950 ramp

primary

#571B8B

secondary

#7DBC45

accent

#EA3D8E

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #571B8B

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

Preview Lab → · Contrast checker → · Palette generator →