#57287D#57287D

#57287D is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.6% C 0.140 H 306.3°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#57287D
RGB	rgb(87, 40, 125)
HSL	hsl(273, 52%, 32%)
HSV	hsv(273, 68%, 49%)
CMYK	cmyk(30.4%, 68%, 0%, 51%)
CIE-LAB	lab(26.80, 38.12, -39.75)
CIE-LCH	lch(26.80, 55.08, 313.81°)
OKLab	oklab(38.56% 0.0827 -0.1126)
OKLCH	oklch(38.56% 0.14 306.3)
XYZ	xyz(8.3901, 5.0246, 19.9259)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57287D #4E7D28

analogous

#2C287D #57287D #7D2879

triadic

#57287D #7D5728 #287D57

tetradic

#57287D #7D2C28 #4E7D28 #28797D

square

#57287D #7D2C28 #4E7D28 #28797D

split-complementary

#57287D #797D28 #287D2C

monochromatic

#160A20 #37194F #57287D #7737AB #9656C9

Accessibility & contrast

On white

10.47

#57287D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#57287D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57287D

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57287D	#FFFFFF	#000000	##FFFFFF
##57287D	1.00	10.47	2.00	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#13407B

Tritanopia (blue-blind)

#513A4F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #57287d;
/* rgb */ color: rgb(87, 40, 125);
/* oklch */ color: oklch(38.6% 0.140 306.3);

Tailwind

colors: {
  custom: {
    50: '#8a65a3',
    500: '#57287d',
    950: '#000000',
  },
}

SCSS

$custom: #57287d;
$custom-light: #8a65a3;
$custom-dark: #000000;

JSON

{
  "hex": "#57287d",
  "rgb": {
    "r": 87,
    "g": 40,
    "b": 125
  },
  "hsl": {
    "h": 273.176,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38564,
    "c": 0.13971,
    "h": 306.3
  },
  "luminance": 0.05024
}

Semantic roles & 50–950 ramp

primary

#57287D

secondary

#7CAE53

accent

#DB4D8C

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0C060F

muted

#7D7A7F

Preview Lab

Preview with #57287D

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

Preview Lab → · Contrast checker → · Palette generator →