#573D91#573D91

#573D91 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 43.3% C 0.133 H 294.5°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#573D91
RGB	rgb(87, 61, 145)
HSL	hsl(259, 41%, 40%)
HSV	hsv(259, 58%, 57%)
CMYK	cmyk(40%, 57.9%, 0%, 43.1%)
CIE-LAB	lab(32.72, 31.50, -42.65)
CIE-LCH	lch(32.72, 53.02, 306.45°)
OKLab	oklab(43.32% 0.0551 -0.1212)
OKLCH	oklch(43.32% 0.133 294.5)
XYZ	xyz(10.7087, 7.4078, 27.6482)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573D91 #77913D

analogous

#3D4D91 #573D91 #813D91

triadic

#573D91 #91573D #3D9157

tetradic

#573D91 #913D4D #77913D #3D9181

square

#573D91 #913D4D #77913D #3D9181

split-complementary

#573D91 #91813D #4D913D

monochromatic

#23193B #3D2B66 #573D91 #7354B7 #967FC9

Accessibility & contrast

On white

8.46

#573D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#573D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573D91

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573D91	#FFFFFF	#000000	##FFFFFF
##573D91	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114E94

Deuteranopia (green-blind)

#1A4C8F

Tritanopia (blue-blind)

#484F61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #573d91;
/* rgb */ color: rgb(87, 61, 145);
/* oklch */ color: oklch(43.3% 0.133 294.5);

Tailwind

colors: {
  custom: {
    50: '#8a73b2',
    500: '#573d91',
    950: '#000000',
  },
}

SCSS

$custom: #573d91;
$custom-light: #8a73b2;
$custom-dark: #000000;

JSON

{
  "hex": "#573d91",
  "rgb": {
    "r": 87,
    "g": 61,
    "b": 145
  },
  "hsl": {
    "h": 258.571,
    "s": 40.777,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43318,
    "c": 0.13311,
    "h": 294.5
  },
  "luminance": 0.07408
}

Semantic roles & 50–950 ramp

primary

#573D91

secondary

#A0B377

accent

#D157AB

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #573D91

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

Preview Lab → · Contrast checker → · Palette generator →