#573AAB#573AAB

#573AAB is a dark, vivid violet. Relative luminance 0.080; OKLCH L 44.8% C 0.171 H 289.4°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#573AAB
RGB	rgb(87, 58, 171)
HSL	hsl(255, 49%, 45%)
HSV	hsv(255, 66%, 67%)
CMYK	cmyk(49.1%, 66.1%, 0%, 32.9%)
CIE-LAB	lab(33.97, 40.86, -56.36)
CIE-LCH	lch(33.97, 69.61, 305.94°)
OKLab	oklab(44.83% 0.057 -0.1615)
OKLCH	oklch(44.83% 0.171 289.4)
XYZ	xyz(12.7921, 7.9921, 39.3888)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.15

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573AAB #8EAB3A

analogous

#3A56AB #573AAB #8F3AAB

triadic

#573AAB #AB573A #3AAB57

tetradic

#573AAB #AB3A56 #8EAB3A #3AAB8F

square

#573AAB #AB3A56 #8EAB3A #3AAB8F

split-complementary

#573AAB #AB8F3A #56AB3A

monochromatic

#281B50 #402A7D #573AAB #775BC7 #9D89D7

Accessibility & contrast

On white

8.08

#573AAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#573AAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573AAB

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573AAB	#FFFFFF	#000000	##FFFFFF
##573AAB	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AF

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#3B566D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #573aab;
/* rgb */ color: rgb(87, 58, 171);
/* oklch */ color: oklch(44.8% 0.171 289.4);

Tailwind

colors: {
  custom: {
    50: '#8e72c5',
    500: '#573aab',
    950: '#000000',
  },
}

SCSS

$custom: #573aab;
$custom-light: #8e72c5;
$custom-dark: #000000;

JSON

{
  "hex": "#573aab",
  "rgb": {
    "r": 87,
    "g": 58,
    "b": 171
  },
  "hsl": {
    "h": 255.398,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44834,
    "c": 0.17124,
    "h": 289.4
  },
  "luminance": 0.07993
}

Semantic roles & 50–950 ramp

primary

#573AAB

secondary

#B0C180

accent

#D94FB5

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573AAB

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

Preview Lab → · Contrast checker → · Palette generator →