#573AAA#573AAA

#573AAA is a dark, vivid violet. Relative luminance 0.080; OKLCH L 44.8% C 0.170 H 289.6°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#573AAA
RGB	rgb(87, 58, 170)
HSL	hsl(256, 49%, 45%)
HSV	hsv(256, 66%, 67%)
CMYK	cmyk(48.8%, 65.9%, 0%, 33.3%)
CIE-LAB	lab(33.89, 40.57, -55.89)
CIE-LCH	lch(33.89, 69.06, 305.98°)
OKLab	oklab(44.75% 0.0571 -0.1601)
OKLCH	oklch(44.75% 0.17 289.6)
XYZ	xyz(12.6972, 7.9541, 38.8887)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573AAA #8DAA3A

analogous

#3A55AA #573AAA #8F3AAA

triadic

#573AAA #AA573A #3AAA57

tetradic

#573AAA #AA3A55 #8DAA3A #3AAA8F

square

#573AAA #AA3A55 #8DAA3A #3AAA8F

split-complementary

#573AAA #AA8F3A #55AA3A

monochromatic

#281B4F #402A7C #573AAA #765AC7 #9C88D6

Accessibility & contrast

On white

8.10

#573AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#573AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573AAA

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573AAA	#FFFFFF	#000000	##FFFFFF
##573AAA	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#004DA8

Tritanopia (blue-blind)

#3C556D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #573aaa;
/* rgb */ color: rgb(87, 58, 170);
/* oklch */ color: oklch(44.8% 0.170 289.6);

Tailwind

colors: {
  custom: {
    50: '#8e72c4',
    500: '#573aaa',
    950: '#000000',
  },
}

SCSS

$custom: #573aaa;
$custom-light: #8e72c4;
$custom-dark: #000000;

JSON

{
  "hex": "#573aaa",
  "rgb": {
    "r": 87,
    "g": 58,
    "b": 170
  },
  "hsl": {
    "h": 255.536,
    "s": 49.123,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44752,
    "c": 0.16999,
    "h": 289.6
  },
  "luminance": 0.07955
}

Semantic roles & 50–950 ramp

primary

#573AAA

secondary

#B0C17F

accent

#D94FB5

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573AAA

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

Preview Lab → · Contrast checker → · Palette generator →