#573B63#573B63

#573B63 is a dark, moderate purple. Relative luminance 0.061; OKLCH L 40.1% C 0.074 H 315.3°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#573B63
RGB	rgb(87, 59, 99)
HSL	hsl(282, 25%, 31%)
HSV	hsv(282, 40%, 39%)
CMYK	cmyk(12.1%, 40.4%, 0%, 61.2%)
CIE-LAB	lab(29.55, 20.44, -18.83)
CIE-LCH	lch(29.55, 27.79, 317.35°)
OKLab	oklab(40.09% 0.0524 -0.0518)
OKLCH	oklch(40.09% 0.074 315.3)
XYZ	xyz(7.7462, 6.0552, 12.5627)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B63 #47633B

analogous

#433B63 #573B63 #633B5B

triadic

#573B63 #63573B #3B6357

tetradic

#573B63 #63433B #47633B #3B5B63

square

#573B63 #63433B #47633B #3B5B63

split-complementary

#573B63 #5B633B #3B6343

monochromatic

#140D16 #35243D #573B63 #795289 #986FA9

Accessibility & contrast

On white

9.50

#573B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#573B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B63

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B63	#FFFFFF	#000000	##FFFFFF
##573B63	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354465

Deuteranopia (green-blind)

#3B4662

Tritanopia (blue-blind)

#56404A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #573b63;
/* rgb */ color: rgb(87, 59, 99);
/* oklch */ color: oklch(40.1% 0.074 315.3);

Tailwind

colors: {
  custom: {
    50: '#87718f',
    500: '#573b63',
    950: '#000000',
  },
}

SCSS

$custom: #573b63;
$custom-light: #87718f;
$custom-dark: #000000;

JSON

{
  "hex": "#573b63",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 99
  },
  "hsl": {
    "h": 282,
    "s": 25.316,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4009,
    "c": 0.07369,
    "h": 315.3
  },
  "luminance": 0.06055
}

Semantic roles & 50–950 ramp

primary

#573B63

secondary

#749367

accent

#C26682

background

#F8F6F8

surface

#EFECF0

border

#CAC7CB

text

#0B070C

muted

#7C7A7D

Preview Lab

Preview with #573B63

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

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