#573F9C#573F9C

#573F9C is a dark, vivid violet. Relative luminance 0.080; OKLCH L 44.5% C 0.145 H 291.3°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#573F9C
RGB	rgb(87, 63, 156)
HSL	hsl(255, 42%, 43%)
HSV	hsv(255, 60%, 61%)
CMYK	cmyk(44.2%, 59.6%, 0%, 38.8%)
CIE-LAB	lab(33.94, 33.50, -47.37)
CIE-LCH	lch(33.94, 58.02, 305.27°)
OKLab	oklab(44.46% 0.0525 -0.135)
OKLCH	oklch(44.46% 0.145 291.3)
XYZ	xyz(11.7071, 7.9812, 32.3697)
Luminance	0.0798 (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

#573F9C #849C3F

analogous

#3F559C #573F9C #853F9C

triadic

#573F9C #9C573F #3F9C57

tetradic

#573F9C #9C3F55 #849C3F #3F9C85

square

#573F9C #9C3F55 #849C3F #3F9C85

split-complementary

#573F9C #9C853F #559C3F

monochromatic

#261C45 #3F2D70 #573F9C #745BBD #9987CE

Accessibility & contrast

On white

8.09

#573F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#573F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573F9C

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573F9C	#FFFFFF	#000000	##FFFFFF
##573F9C	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519F

Deuteranopia (green-blind)

#074E9A

Tritanopia (blue-blind)

#435467

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #573f9c;
/* rgb */ color: rgb(87, 63, 156);
/* oklch */ color: oklch(44.5% 0.145 291.3);

Tailwind

colors: {
  custom: {
    50: '#8b75ba',
    500: '#573f9c',
    950: '#000000',
  },
}

SCSS

$custom: #573f9c;
$custom-light: #8b75ba;
$custom-dark: #000000;

JSON

{
  "hex": "#573f9c",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 156
  },
  "hsl": {
    "h": 255.484,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44462,
    "c": 0.1449,
    "h": 291.3
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary

#573F9C

secondary

#AAB97E

accent

#D256B2

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0812

muted

#7D7B81

Preview Lab

Preview with #573F9C

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

Preview Lab → · Contrast checker → · Palette generator →