#57178C#57178C

#57178C is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.9% C 0.176 H 303.3°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#57178C
RGB	rgb(87, 23, 140)
HSL	hsl(273, 72%, 32%)
HSV	hsv(273, 84%, 55%)
CMYK	cmyk(37.9%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(25.36, 49.37, -51.50)
CIE-LCH	lch(25.36, 71.34, 313.79°)
OKLab	oklab(37.92% 0.0964 -0.147)
OKLCH	oklch(37.92% 0.176 303.3)
XYZ	xyz(8.9694, 4.5325, 25.2082)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.56

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57178C #4C8C17

analogous

#1D178C #57178C #8C1786

triadic

#57178C #8C5717 #178C57

tetradic

#57178C #8C1D17 #4C8C17 #17868C

square

#57178C #8C1D17 #4C8C17 #17868C

split-complementary

#57178C #868C17 #178C1D

monochromatic

#160623 #360E57 #57178C #7820C1 #963EDF

Accessibility & contrast

On white

11.02

#57178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#57178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57178C

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57178C	#FFFFFF	#000000	##FFFFFF
##57178C	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8F

Deuteranopia (green-blind)

#003C8A

Tritanopia (blue-blind)

#4C3853

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #57178c;
/* rgb */ color: rgb(87, 23, 140);
/* oklch */ color: oklch(37.9% 0.176 303.3);

Tailwind

colors: {
  custom: {
    50: '#8c5eaf',
    500: '#57178c',
    950: '#000000',
  },
}

SCSS

$custom: #57178c;
$custom-light: #8c5eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#57178c",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 272.821,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37921,
    "c": 0.17579,
    "h": 303.3
  },
  "luminance": 0.04532
}

Semantic roles & 50–950 ramp

primary

#57178C

secondary

#79BF3F

accent

#EF398B

background

#F9F5FA

surface

#F1E9F5

border

#CBC5CF

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57178C

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

Preview Lab → · Contrast checker → · Palette generator →