#57168B#57168B

#57168B is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.176 H 303.7°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#57168B
RGB	rgb(87, 22, 139)
HSL	hsl(273, 73%, 32%)
HSV	hsv(273, 84%, 55%)
CMYK	cmyk(37.4%, 84.2%, 0%, 45.5%)
CIE-LAB	lab(25.15, 49.48, -51.22)
CIE-LCH	lch(25.15, 71.21, 314.01°)
OKLab	oklab(37.75% 0.0974 -0.1462)
OKLCH	oklch(37.75% 0.176 303.7)
XYZ	xyz(8.8765, 4.4641, 24.8151)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.41

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57168B #4A8B16

analogous

#1C168B #57168B #8B1685

triadic

#57168B #8B5716 #168B57

tetradic

#57168B #8B1C16 #4A8B16 #16858B

square

#57168B #8B1C16 #4A8B16 #16858B

split-complementary

#57168B #858B16 #168B1C

monochromatic

#150521 #360E56 #57168B #781EC0 #973BE0

Accessibility & contrast

On white

11.09

#57168B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#57168B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57168B

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57168B	#FFFFFF	#000000	##FFFFFF
##57168B	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003B89

Tritanopia (blue-blind)

#4C3752

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #57168b;
/* rgb */ color: rgb(87, 22, 139);
/* oklch */ color: oklch(37.7% 0.176 303.7);

Tailwind

colors: {
  custom: {
    50: '#8c5dae',
    500: '#57168b',
    950: '#000000',
  },
}

SCSS

$custom: #57168b;
$custom-light: #8c5dae;
$custom-dark: #000000;

JSON

{
  "hex": "#57168b",
  "rgb": {
    "r": 87,
    "g": 22,
    "b": 139
  },
  "hsl": {
    "h": 273.333,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37749,
    "c": 0.17568,
    "h": 303.7
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#57168B

secondary

#77BF3E

accent

#EF388A

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57168B

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

Preview Lab → · Contrast checker → · Palette generator →