#57188A#57188A

#57188A is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.173 H 303.8°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#57188A
RGB	rgb(87, 24, 138)
HSL	hsl(273, 70%, 32%)
HSV	hsv(273, 83%, 54%)
CMYK	cmyk(37%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(25.30, 48.53, -50.34)
CIE-LCH	lch(25.30, 69.93, 313.95°)
OKLab	oklab(37.83% 0.0963 -0.1436)
OKLCH	oklch(37.83% 0.173 303.8)
XYZ	xyz(8.8435, 4.5145, 24.4453)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.60

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57188A #4B8A18

analogous

#1E188A #57188A #8A1884

triadic

#57188A #8A5718 #188A57

tetradic

#57188A #8A1E18 #4B8A18 #18848A

square

#57188A #8A1E18 #4B8A18 #18848A

split-complementary

#57188A #848A18 #188A1E

monochromatic

#150622 #360F56 #57188A #7821BE #973FDE

Accessibility & contrast

On white

11.04

#57188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#57188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57188A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57188A	#FFFFFF	#000000	##FFFFFF
##57188A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#4D3752

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #57188a;
/* rgb */ color: rgb(87, 24, 138);
/* oklch */ color: oklch(37.8% 0.173 303.8);

Tailwind

colors: {
  custom: {
    50: '#8c5ead',
    500: '#57188a',
    950: '#000000',
  },
}

SCSS

$custom: #57188a;
$custom-light: #8c5ead;
$custom-dark: #000000;

JSON

{
  "hex": "#57188a",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 273.158,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37828,
    "c": 0.17289,
    "h": 303.8
  },
  "luminance": 0.04514
}

Semantic roles & 50–950 ramp

primary

#57188A

secondary

#78BD40

accent

#ED3B8B

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57188A

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

Preview Lab → · Contrast checker → · Palette generator →