#571B90#571B90

#571B90 is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.176 H 301.5°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#571B90
RGB	rgb(87, 27, 144)
HSL	hsl(271, 68%, 34%)
HSV	hsv(271, 81%, 56%)
CMYK	cmyk(39.6%, 81.3%, 0%, 43.5%)
CIE-LAB	lab(26.23, 48.85, -52.56)
CIE-LCH	lch(26.23, 71.76, 312.90°)
OKLab	oklab(38.64% 0.0921 -0.1502)
OKLCH	oklch(38.64% 0.176 301.5)
XYZ	xyz(9.3552, 4.8237, 26.8183)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B90 #54901B

analogous

#1C1B90 #571B90 #901B8E

triadic

#571B90 #90571B #1B9057

tetradic

#571B90 #901C1B #54901B #1B8E90

square

#571B90 #901C1B #54901B #1B8E90

split-complementary

#571B90 #8E901B #1B901C

monochromatic

#190829 #38115C #571B90 #7625C4 #9549DD

Accessibility & contrast

On white

10.69

#571B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#571B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B90

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B90	#FFFFFF	#000000	##FFFFFF
##571B90	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#4A3B56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #571b90;
/* rgb */ color: rgb(87, 27, 144);
/* oklch */ color: oklch(38.6% 0.176 301.5);

Tailwind

colors: {
  custom: {
    50: '#8c5fb1',
    500: '#571b90',
    950: '#000000',
  },
}

SCSS

$custom: #571b90;
$custom-light: #8c5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#571b90",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 144
  },
  "hsl": {
    "h": 270.769,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38635,
    "c": 0.17615,
    "h": 301.5
  },
  "luminance": 0.04824
}

Semantic roles & 50–950 ramp

primary

#571B90

secondary

#82BF48

accent

#EB3D92

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #571B90

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

Preview Lab → · Contrast checker → · Palette generator →