#571B77#571B77

#571B77 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.150 H 310.8°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#571B77
RGB	rgb(87, 27, 119)
HSL	hsl(279, 63%, 29%)
HSV	hsv(279, 77%, 47%)
CMYK	cmyk(26.9%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(24.14, 42.89, -40.25)
CIE-LCH	lch(24.14, 58.82, 316.82°)
OKLab	oklab(36.52% 0.0982 -0.114)
OKLCH	oklch(36.52% 0.15 310.8)
XYZ	xyz(7.6515, 4.1422, 17.8456)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B77 #3B771B

analogous

#291B77 #571B77 #771B69

triadic

#571B77 #77571B #1B7757

tetradic

#571B77 #77291B #3B771B #1B6977

square

#571B77 #77291B #3B771B #1B6977

split-complementary

#571B77 #69771B #1B7729

monochromatic

#120619 #331045 #571B77 #7B26A9 #9D3AD2

Accessibility & contrast

On white

11.49

#571B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#571B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B77

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B77	#FFFFFF	#000000	##FFFFFF
##571B77	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#083A75

Tritanopia (blue-blind)

#533048

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #571b77;
/* rgb */ color: rgb(87, 27, 119);
/* oklch */ color: oklch(36.5% 0.150 310.8);

Tailwind

colors: {
  custom: {
    50: '#8a5e9f',
    500: '#571b77',
    950: '#000000',
  },
}

SCSS

$custom: #571b77;
$custom-light: #8a5e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#571b77",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 279.13,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36517,
    "c": 0.15048,
    "h": 310.8
  },
  "luminance": 0.04142
}

Semantic roles & 50–950 ramp

primary

#571B77

secondary

#67AB42

accent

#E6427B

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #571B77

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

Preview Lab → · Contrast checker → · Palette generator →