#573AB3#573AB3

#573AB3 is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.5% C 0.181 H 288.0°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#573AB3
RGB	rgb(87, 58, 179)
HSL	hsl(254, 51%, 46%)
HSV	hsv(254, 68%, 70%)
CMYK	cmyk(51.4%, 67.6%, 0%, 29.8%)
CIE-LAB	lab(34.61, 43.22, -60.07)
CIE-LCH	lch(34.61, 74.00, 305.73°)
OKLab	oklab(45.5% 0.0559 -0.1724)
OKLCH	oklch(45.5% 0.181 288)
XYZ	xyz(13.5778, 8.3064, 43.5269)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573AB3 #96B33A

analogous

#3A5AB3 #573AB3 #943AB3

triadic

#573AB3 #B3573A #3AB357

tetradic

#573AB3 #B33A5A #96B33A #3AB394

square

#573AB3 #B33A5A #96B33A #3AB394

split-complementary

#573AB3 #B3943A #5AB33A

monochromatic

#2A1C57 #412B85 #573AB3 #795FCB #A08DDA

Accessibility & contrast

On white

7.89

#573AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#573AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573AB3

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573AB3	#FFFFFF	#000000	##FFFFFF
##573AB3	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#355872

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #573ab3;
/* rgb */ color: rgb(87, 58, 179);
/* oklch */ color: oklch(45.5% 0.181 288.0);

Tailwind

colors: {
  custom: {
    50: '#8f72cb',
    500: '#573ab3',
    950: '#000000',
  },
}

SCSS

$custom: #573ab3;
$custom-light: #8f72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#573ab3",
  "rgb": {
    "r": 87,
    "g": 58,
    "b": 179
  },
  "hsl": {
    "h": 254.38,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45501,
    "c": 0.18122,
    "h": 288
  },
  "luminance": 0.08307
}

Semantic roles & 50–950 ramp

primary

#573AB3

secondary

#B5C584

accent

#DB4DB9

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573AB3

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

Preview Lab → · Contrast checker → · Palette generator →