#57128C#57128C

#57128C is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.180 H 303.7°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#57128C
RGB	rgb(87, 18, 140)
HSL	hsl(274, 77%, 31%)
HSV	hsv(274, 87%, 55%)
CMYK	cmyk(37.9%, 87.1%, 0%, 45.1%)
CIE-LAB	lab(24.80, 51.00, -52.41)
CIE-LCH	lch(24.80, 73.12, 314.22°)
OKLab	oklab(37.54% 0.0998 -0.1496)
OKLCH	oklch(37.54% 0.18 303.7)
XYZ	xyz(8.8793, 4.3523, 25.1782)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.10

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57128C #478C12

analogous

#1A128C #57128C #8C1284

triadic

#57128C #8C5712 #128C57

tetradic

#57128C #8C1A12 #478C12 #12848C

square

#57128C #8C1A12 #478C12 #12848C

split-complementary

#57128C #848C12 #128C1A

monochromatic

#140420 #350B56 #57128C #7919C2 #9834E5

Accessibility & contrast

On white

11.23

#57128C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#57128C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57128C

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57128C	#FFFFFF	#000000	##FFFFFF
##57128C	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#4C3652

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #57128c;
/* rgb */ color: rgb(87, 18, 140);
/* oklch */ color: oklch(37.5% 0.180 303.7);

Tailwind

colors: {
  custom: {
    50: '#8c5caf',
    500: '#57128c',
    950: '#000000',
  },
}

SCSS

$custom: #57128c;
$custom-light: #8c5caf;
$custom-dark: #000000;

JSON

{
  "hex": "#57128c",
  "rgb": {
    "r": 87,
    "g": 18,
    "b": 140
  },
  "hsl": {
    "h": 273.934,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37537,
    "c": 0.17987,
    "h": 303.7
  },
  "luminance": 0.04352
}

Semantic roles & 50–950 ramp

primary

#57128C

secondary

#74C039

accent

#F43487

background

#F9F5FA

surface

#F1E9F5

border

#CBC5CF

text

#0D0410

muted

#7E797F

Preview Lab

Preview with #57128C

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

Preview Lab → · Contrast checker → · Palette generator →