#57288B#57288B

#57288B is a dark, vivid violet. Relative luminance 0.054; OKLCH L 39.7% C 0.156 H 301.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#57288B
RGB	rgb(87, 40, 139)
HSL	hsl(268, 55%, 35%)
HSV	hsv(268, 71%, 55%)
CMYK	cmyk(37.4%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(27.87, 41.72, -46.79)
CIE-LCH	lch(27.87, 62.69, 311.72°)
OKLab	oklab(39.66% 0.0809 -0.1333)
OKLCH	oklch(39.66% 0.156 301.3)
XYZ	xyz(9.3483, 5.4078, 24.9724)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57288B #5C8B28

analogous

#282A8B #57288B #88288B

triadic

#57288B #8B5728 #288B57

tetradic

#57288B #8B282A #5C8B28 #288B88

square

#57288B #8B282A #5C8B28 #288B88

split-complementary

#57288B #8B8828 #2A8B28

monochromatic

#1C0D2C #391A5B #57288B #7536BB #945DD0

Accessibility & contrast

On white

10.09

#57288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#57288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57288B

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57288B	#FFFFFF	#000000	##FFFFFF
##57288B	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418E

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#4C3F56

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #57288b;
/* rgb */ color: rgb(87, 40, 139);
/* oklch */ color: oklch(39.7% 0.156 301.3);

Tailwind

colors: {
  custom: {
    50: '#8b66ae',
    500: '#57288b',
    950: '#000000',
  },
}

SCSS

$custom: #57288b;
$custom-light: #8b66ae;
$custom-dark: #000000;

JSON

{
  "hex": "#57288b",
  "rgb": {
    "r": 87,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 268.485,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.3966,
    "c": 0.15593,
    "h": 301.3
  },
  "luminance": 0.05408
}

Semantic roles & 50–950 ramp

primary

#57288B

secondary

#8AB659

accent

#DF4998

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0C0610

muted

#7D7A7F

Preview Lab

Preview with #57288B

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

Preview Lab → · Contrast checker → · Palette generator →