#57148B#57148B

#57148B is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.6% C 0.177 H 303.9°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#57148B
RGB	rgb(87, 20, 139)
HSL	hsl(274, 75%, 31%)
HSV	hsv(274, 86%, 55%)
CMYK	cmyk(37.4%, 85.6%, 0%, 45.5%)
CIE-LAB	lab(24.92, 50.14, -51.59)
CIE-LCH	lch(24.92, 71.94, 314.19°)
OKLab	oklab(37.59% 0.0988 -0.1472)
OKLCH	oklch(37.59% 0.177 303.9)
XYZ	xyz(8.8397, 4.3906, 24.8029)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.22

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57148B #488B14

analogous

#1C148B #57148B #8B1483

triadic

#57148B #8B5714 #148B57

tetradic

#57148B #8B1C14 #488B14 #14838B

square

#57148B #8B1C14 #488B14 #14838B

split-complementary

#57148B #838B14 #148B1C

monochromatic

#140520 #360C55 #57148B #781CC1 #9737E2

Accessibility & contrast

On white

11.18

#57148B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#57148B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57148B

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57148B	#FFFFFF	#000000	##FFFFFF
##57148B	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003B89

Tritanopia (blue-blind)

#4C3652

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #57148b;
/* rgb */ color: rgb(87, 20, 139);
/* oklch */ color: oklch(37.6% 0.177 303.9);

Tailwind

colors: {
  custom: {
    50: '#8c5cae',
    500: '#57148b',
    950: '#000000',
  },
}

SCSS

$custom: #57148b;
$custom-light: #8c5cae;
$custom-dark: #000000;

JSON

{
  "hex": "#57148b",
  "rgb": {
    "r": 87,
    "g": 20,
    "b": 139
  },
  "hsl": {
    "h": 273.782,
    "s": 74.843,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37592,
    "c": 0.17735,
    "h": 303.9
  },
  "luminance": 0.04391
}

Semantic roles & 50–950 ramp

primary

#57148B

secondary

#75BF3C

accent

#F13688

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #57148B

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

Preview Lab → · Contrast checker → · Palette generator →