#57168D#57168D

#57168D is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.9% C 0.178 H 303.0°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#57168D
RGB	rgb(87, 22, 141)
HSL	hsl(273, 73%, 32%)
HSV	hsv(273, 84%, 55%)
CMYK	cmyk(38.3%, 84.4%, 0%, 44.7%)
CIE-LAB	lab(25.33, 49.95, -52.17)
CIE-LCH	lch(25.33, 72.23, 313.76°)
OKLab	oklab(37.93% 0.0968 -0.149)
OKLCH	oklch(37.93% 0.178 303)
XYZ	xyz(9.0240, 4.5231, 25.5918)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.51

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57168D #4C8D16

analogous

#1C168D #57168D #8D1688

triadic

#57168D #8D5716 #168D57

tetradic

#57168D #8D1C16 #4C8D16 #16888D

square

#57168D #8D1C16 #4C8D16 #16888D

split-complementary

#57168D #888D16 #168D1C

monochromatic

#160523 #360E58 #57168D #781EC2 #963DE1

Accessibility & contrast

On white

11.03

#57168D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#57168D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57168D

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57168D	#FFFFFF	#000000	##FFFFFF
##57168D	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B90

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#4C3853

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #57168d;
/* rgb */ color: rgb(87, 22, 141);
/* oklch */ color: oklch(37.9% 0.178 303.0);

Tailwind

colors: {
  custom: {
    50: '#8c5daf',
    500: '#57168d',
    950: '#000000',
  },
}

SCSS

$custom: #57168d;
$custom-light: #8c5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#57168d",
  "rgb": {
    "r": 87,
    "g": 22,
    "b": 141
  },
  "hsl": {
    "h": 272.773,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37929,
    "c": 0.17765,
    "h": 303
  },
  "luminance": 0.04523
}

Semantic roles & 50–950 ramp

primary

#57168D

secondary

#79C13E

accent

#F0388B

background

#F9F5FA

surface

#F1E9F5

border

#CBC5CF

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57168D

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

Preview Lab → · Contrast checker → · Palette generator →