#571B8E#571B8E

#571B8E is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.174 H 302.2°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#571B8E
RGB	rgb(87, 27, 142)
HSL	hsl(271, 68%, 33%)
HSV	hsv(271, 81%, 56%)
CMYK	cmyk(38.7%, 81%, 0%, 44.3%)
CIE-LAB	lab(26.05, 48.36, -51.61)
CIE-LCH	lch(26.05, 70.73, 313.13°)
OKLab	oklab(38.46% 0.0927 -0.1474)
OKLCH	oklch(38.46% 0.174 302.2)
XYZ	xyz(9.2037, 4.7631, 26.0204)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B8E #528E1B

analogous

#1D1B8E #571B8E #8E1B8B

triadic

#571B8E #8E571B #1B8E57

tetradic

#571B8E #8E1D1B #528E1B #1B8B8E

square

#571B8E #8E1D1B #528E1B #1B8B8E

split-complementary

#571B8E #8B8E1B #1B8E1D

monochromatic

#180727 #37115B #571B8E #7725C1 #9547DC

Accessibility & contrast

On white

10.75

#571B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#571B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B8E

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B8E	#FFFFFF	#000000	##FFFFFF
##571B8E	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#4B3A55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #571b8e;
/* rgb */ color: rgb(87, 27, 142);
/* oklch */ color: oklch(38.5% 0.174 302.2);

Tailwind

colors: {
  custom: {
    50: '#8c5fb0',
    500: '#571b8e',
    950: '#000000',
  },
}

SCSS

$custom: #571b8e;
$custom-light: #8c5fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#571b8e",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 142
  },
  "hsl": {
    "h": 271.304,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38456,
    "c": 0.17409,
    "h": 302.2
  },
  "luminance": 0.04763
}

Semantic roles & 50–950 ramp

primary

#571B8E

secondary

#80BE47

accent

#EB3D90

background

#F9F5FA

surface

#F1EAF5

border

#CBC6CF

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #571B8E

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

Preview Lab → · Contrast checker → · Palette generator →