#57158C#57158C

#57158C is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.178 H 303.4°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#57158C
RGB	rgb(87, 21, 140)
HSL	hsl(273, 74%, 32%)
HSV	hsv(273, 85%, 55%)
CMYK	cmyk(37.9%, 85%, 0%, 45.1%)
CIE-LAB	lab(25.13, 50.05, -51.88)
CIE-LCH	lch(25.13, 72.09, 313.97°)
OKLab	oklab(37.76% 0.0978 -0.1481)
OKLCH	oklch(37.76% 0.178 303.4)
XYZ	xyz(8.9312, 4.4560, 25.1954)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.36

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57158C #4A8C15

analogous

#1B158C #57158C #8C1586

triadic

#57158C #8C5715 #158C57

tetradic

#57158C #8C1B15 #4A8C15 #15868C

square

#57158C #8C1B15 #4A8C15 #15868C

split-complementary

#57158C #868C15 #158C1B

monochromatic

#150522 #360D57 #57158C #781DC1 #973AE1

Accessibility & contrast

On white

11.10

#57158C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#57158C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57158C

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57158C	#FFFFFF	#000000	##FFFFFF
##57158C	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#4C3752

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #57158c;
/* rgb */ color: rgb(87, 21, 140);
/* oklch */ color: oklch(37.8% 0.178 303.4);

Tailwind

colors: {
  custom: {
    50: '#8c5daf',
    500: '#57158c',
    950: '#000000',
  },
}

SCSS

$custom: #57158c;
$custom-light: #8c5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#57158c",
  "rgb": {
    "r": 87,
    "g": 21,
    "b": 140
  },
  "hsl": {
    "h": 273.277,
    "s": 73.913,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37759,
    "c": 0.17751,
    "h": 303.4
  },
  "luminance": 0.04456
}

Semantic roles & 50–950 ramp

primary

#57158C

secondary

#77C03D

accent

#F1378A

background

#F9F5FA

surface

#F1E9F5

border

#CBC5CF

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57158C

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

Preview Lab → · Contrast checker → · Palette generator →