#571B8F#571B8F

#571B8F is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.175 H 301.8°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#571B8F
RGB	rgb(87, 27, 143)
HSL	hsl(271, 68%, 33%)
HSV	hsv(271, 81%, 56%)
CMYK	cmyk(39.2%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(26.14, 48.60, -52.09)
CIE-LCH	lch(26.14, 71.24, 313.02°)
OKLab	oklab(38.55% 0.0924 -0.1488)
OKLCH	oklch(38.55% 0.175 301.8)
XYZ	xyz(9.2791, 4.7932, 26.4176)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B8F #538F1B

analogous

#1D1B8F #571B8F #8F1B8D

triadic

#571B8F #8F571B #1B8F57

tetradic

#571B8F #8F1D1B #538F1B #1B8D8F

square

#571B8F #8F1D1B #538F1B #1B8D8F

split-complementary

#571B8F #8D8F1B #1B8F1D

monochromatic

#180828 #38115C #571B8F #7625C2 #9548DC

Accessibility & contrast

On white

10.72

#571B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#571B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B8F

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B8F	#FFFFFF	#000000	##FFFFFF
##571B8F	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#4B3B55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #571b8f;
/* rgb */ color: rgb(87, 27, 143);
/* oklch */ color: oklch(38.5% 0.175 301.8);

Tailwind

colors: {
  custom: {
    50: '#8c5fb1',
    500: '#571b8f',
    950: '#000000',
  },
}

SCSS

$custom: #571b8f;
$custom-light: #8c5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#571b8f",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 271.034,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38545,
    "c": 0.17512,
    "h": 301.8
  },
  "luminance": 0.04793
}

Semantic roles & 50–950 ramp

primary

#571B8F

secondary

#81BE48

accent

#EB3D91

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #571B8F

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

Preview Lab → · Contrast checker → · Palette generator →