#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
RGBrgb(87, 27, 139)
HSLhsl(272, 67%, 33%)
HSVhsv(272, 81%, 55%)
CMYKcmyk(37.4%, 80.6%, 0%, 45.5%)
CIE-LABlab(25.79, 47.63, -50.18)
CIE-LCHlch(25.79, 69.18, 313.51°)
OKLaboklab(38.19% 0.0935 -0.1432)
OKLCHoklch(38.19% 0.171 303.2)
XYZxyz(8.9815, 4.6742, 24.8501)
Luminance0.0467 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

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
##571B8B1.0010.851.9310.85
#FFFFFF10.851.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.851.0021.001.00

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 →

#571B8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva