#57178A#57178A

#57178A is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.174 H 303.9°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#57178A
RGB	rgb(87, 23, 138)
HSL	hsl(273, 71%, 32%)
HSV	hsv(273, 83%, 54%)
CMYK	cmyk(37%, 83.3%, 0%, 45.9%)
CIE-LAB	lab(25.18, 48.89, -50.54)
CIE-LCH	lch(25.18, 70.32, 314.05°)
OKLab	oklab(37.74% 0.097 -0.1442)
OKLCH	oklch(37.74% 0.174 303.9)
XYZ	xyz(8.8233, 4.4740, 24.4386)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.48

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57178A #4A8A17

analogous

#1D178A #57178A #8A1784

triadic

#57178A #8A5717 #178A57

tetradic

#57178A #8A1D17 #4A8A17 #17848A

square

#57178A #8A1D17 #4A8A17 #17848A

split-complementary

#57178A #848A17 #178A1D

monochromatic

#150621 #360E56 #57178A #7820BE #973DDF

Accessibility & contrast

On white

11.08

#57178A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#57178A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57178A

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57178A	#FFFFFF	#000000	##FFFFFF
##57178A	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#4D3752

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #57178a;
/* rgb */ color: rgb(87, 23, 138);
/* oklch */ color: oklch(37.7% 0.174 303.9);

Tailwind

colors: {
  custom: {
    50: '#8c5dad',
    500: '#57178a',
    950: '#000000',
  },
}

SCSS

$custom: #57178a;
$custom-light: #8c5dad;
$custom-dark: #000000;

JSON

{
  "hex": "#57178a",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 138
  },
  "hsl": {
    "h": 273.391,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37742,
    "c": 0.17381,
    "h": 303.9
  },
  "luminance": 0.04474
}

Semantic roles & 50–950 ramp

primary

#57178A

secondary

#77BE3F

accent

#EE3A8A

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57178A

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

Preview Lab → · Contrast checker → · Palette generator →