#573B8A#573B8A

#573B8A is a dark, vivid violet. Relative luminance 0.070; OKLCH L 42.5% C 0.127 H 297.0°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#573B8A
RGB	rgb(87, 59, 138)
HSL	hsl(261, 40%, 39%)
HSV	hsv(261, 57%, 54%)
CMYK	cmyk(37%, 57.2%, 0%, 45.9%)
CIE-LAB	lab(31.78, 30.72, -39.85)
CIE-LCH	lch(31.78, 50.32, 307.63°)
OKLab	oklab(42.48% 0.0576 -0.1129)
OKLCH	oklch(42.48% 0.127 297)
XYZ	xyz(10.0807, 6.9890, 24.8577)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B8A #6E8A3B

analogous

#3B468A #573B8A #7E3B8A

triadic

#573B8A #8A573B #3B8A57

tetradic

#573B8A #8A3B46 #6E8A3B #3B8A7E

square

#573B8A #8A3B46 #6E8A3B #3B8A7E

split-complementary

#573B8A #8A7E3B #468A3B

monochromatic

#211634 #3C295F #573B8A #724FB4 #9579C6

Accessibility & contrast

On white

8.76

#573B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#573B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B8A

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B8A	#FFFFFF	#000000	##FFFFFF
##573B8A	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174B8D

Deuteranopia (green-blind)

#204A88

Tritanopia (blue-blind)

#4B4B5C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #573b8a;
/* rgb */ color: rgb(87, 59, 138);
/* oklch */ color: oklch(42.5% 0.127 297.0);

Tailwind

colors: {
  custom: {
    50: '#8a72ad',
    500: '#573b8a',
    950: '#000000',
  },
}

SCSS

$custom: #573b8a;
$custom-light: #8a72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#573b8a",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 138
  },
  "hsl": {
    "h": 261.266,
    "s": 40.102,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42478,
    "c": 0.1268,
    "h": 297
  },
  "luminance": 0.06989
}

Semantic roles & 50–950 ramp

primary

#573B8A

secondary

#99AF71

accent

#D058A5

background

#F8F6FA

surface

#F0ECF4

border

#CBC7CE

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #573B8A

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

Preview Lab → · Contrast checker → · Palette generator →