#573B99#573B99

#573B99 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.6% C 0.147 H 293.0°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#573B99
RGB	rgb(87, 59, 153)
HSL	hsl(258, 44%, 42%)
HSV	hsv(258, 61%, 60%)
CMYK	cmyk(43.1%, 61.4%, 0%, 40%)
CIE-LAB	lab(32.82, 35.02, -47.37)
CIE-LCH	lch(32.82, 58.91, 306.47°)
OKLab	oklab(43.57% 0.0574 -0.135)
OKLCH	oklch(43.57% 0.147 293)
XYZ	xyz(11.2427, 7.4538, 30.9772)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B99 #7D993B

analogous

#3B4E99 #573B99 #863B99

triadic

#573B99 #99573B #3B9957

tetradic

#573B99 #993B4E #7D993B #3B9986

square

#573B99 #993B4E #7D993B #3B9986

split-complementary

#573B99 #99863B #4E993B

monochromatic

#251941 #3E2A6D #573B99 #7354BD #9780CE

Accessibility & contrast

On white

8.43

#573B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#573B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B99

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B99	#FFFFFF	#000000	##FFFFFF
##573B99	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9C

Deuteranopia (green-blind)

#004B97

Tritanopia (blue-blind)

#455064

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #573b99;
/* rgb */ color: rgb(87, 59, 153);
/* oklch */ color: oklch(43.6% 0.147 293.0);

Tailwind

colors: {
  custom: {
    50: '#8b72b8',
    500: '#573b99',
    950: '#000000',
  },
}

SCSS

$custom: #573b99;
$custom-light: #8b72b8;
$custom-dark: #000000;

JSON

{
  "hex": "#573b99",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 153
  },
  "hsl": {
    "h": 257.872,
    "s": 44.34,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4357,
    "c": 0.14676,
    "h": 293
  },
  "luminance": 0.07454
}

Semantic roles & 50–950 ramp

primary

#573B99

secondary

#A5B878

accent

#D454AE

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #573B99

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

Preview Lab → · Contrast checker → · Palette generator →