#573F99#573F99

#573F99 is a dark, vivid violet. Relative luminance 0.079; OKLCH L 44.2% C 0.141 H 291.9°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#573F99
RGB	rgb(87, 63, 153)
HSL	hsl(256, 42%, 42%)
HSV	hsv(256, 59%, 60%)
CMYK	cmyk(43.1%, 58.8%, 0%, 40%)
CIE-LAB	lab(33.73, 32.62, -45.89)
CIE-LCH	lch(33.73, 56.30, 305.40°)
OKLab	oklab(44.24% 0.0526 -0.1307)
OKLCH	oklch(44.24% 0.141 291.9)
XYZ	xyz(11.4562, 7.8808, 31.0484)
Luminance	0.0788 (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

#573F99 #81993F

analogous

#3F5499 #573F99 #843F99

triadic

#573F99 #99573F #3F9957

tetradic

#573F99 #993F54 #81993F #3F9984

square

#573F99 #993F54 #81993F #3F9984

split-complementary

#573F99 #99843F #54993F

monochromatic

#261B42 #3E2D6E #573F99 #745ABB #9985CD

Accessibility & contrast

On white

8.15

#573F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#573F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573F99

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573F99	#FFFFFF	#000000	##FFFFFF
##573F99	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05519C

Deuteranopia (green-blind)

#104E97

Tritanopia (blue-blind)

#455366

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #573f99;
/* rgb */ color: rgb(87, 63, 153);
/* oklch */ color: oklch(44.2% 0.141 291.9);

Tailwind

colors: {
  custom: {
    50: '#8b75b8',
    500: '#573f99',
    950: '#000000',
  },
}

SCSS

$custom: #573f99;
$custom-light: #8b75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#573f99",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 153
  },
  "hsl": {
    "h": 256,
    "s": 41.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.44241,
    "c": 0.14088,
    "h": 291.9
  },
  "luminance": 0.07881
}

Semantic roles & 50–950 ramp

primary

#573F99

secondary

#A8B77C

accent

#D156B1

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #573F99

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

Preview Lab → · Contrast checker → · Palette generator →