#57148C#57148C

#57148C is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.7% C 0.178 H 303.5°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#57148C
RGB	rgb(87, 20, 140)
HSL	hsl(274, 75%, 31%)
HSV	hsv(274, 86%, 55%)
CMYK	cmyk(37.9%, 85.7%, 0%, 45.1%)
CIE-LAB	lab(25.01, 50.38, -52.06)
CIE-LCH	lch(25.01, 72.45, 314.06°)
OKLab	oklab(37.68% 0.0985 -0.1486)
OKLCH	oklch(37.68% 0.178 303.5)
XYZ	xyz(8.9131, 4.4200, 25.1894)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.27

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57148C #498C14

analogous

#1B148C #57148C #8C1485

triadic

#57148C #8C5714 #148C57

tetradic

#57148C #8C1B14 #498C14 #14858C

square

#57148C #8C1B14 #498C14 #14858C

split-complementary

#57148C #858C14 #148C1B

monochromatic

#140521 #360C56 #57148C #781CC2 #9738E3

Accessibility & contrast

On white

11.15

#57148C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#57148C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57148C

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57148C	#FFFFFF	#000000	##FFFFFF
##57148C	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#4C3752

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #57148c;
/* rgb */ color: rgb(87, 20, 140);
/* oklch */ color: oklch(37.7% 0.178 303.5);

Tailwind

colors: {
  custom: {
    50: '#8c5caf',
    500: '#57148c',
    950: '#000000',
  },
}

SCSS

$custom: #57148c;
$custom-light: #8c5caf;
$custom-dark: #000000;

JSON

{
  "hex": "#57148c",
  "rgb": {
    "r": 87,
    "g": 20,
    "b": 140
  },
  "hsl": {
    "h": 273.5,
    "s": 75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37683,
    "c": 0.17832,
    "h": 303.5
  },
  "luminance": 0.0442
}

Semantic roles & 50–950 ramp

primary

#57148C

secondary

#76C03C

accent

#F23689

background

#F9F5FA

surface

#F1E9F5

border

#CBC5CF

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57148C

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

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