#573EB3#573EB3

#573EB3 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.1% C 0.176 H 287.2°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#573EB3
RGB	rgb(87, 62, 179)
HSL	hsl(253, 49%, 47%)
HSV	hsv(253, 65%, 70%)
CMYK	cmyk(51.4%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(35.45, 40.95, -58.70)
CIE-LCH	lch(35.45, 71.57, 304.90°)
OKLab	oklab(46.11% 0.052 -0.1684)
OKLCH	oklch(46.11% 0.176 287.2)
XYZ	xyz(13.7874, 8.7255, 43.5968)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573EB3 #9AB33E

analogous

#3E5FB3 #573EB3 #923EB3

triadic

#573EB3 #B3573E #3EB357

tetradic

#573EB3 #B33E5F #9AB33E #3EB392

square

#573EB3 #B33E5F #9AB33E #3EB392

split-complementary

#573EB3 #B3923E #5FB33E

monochromatic

#2B1F58 #412E86 #573EB3 #7A65CA #A192D9

Accessibility & contrast

On white

7.65

#573EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#573EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573EB3

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573EB3	#FFFFFF	#000000	##FFFFFF
##573EB3	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#355B73

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #573eb3;
/* rgb */ color: rgb(87, 62, 179);
/* oklch */ color: oklch(46.1% 0.176 287.2);

Tailwind

colors: {
  custom: {
    50: '#8f75cb',
    500: '#573eb3',
    950: '#000000',
  },
}

SCSS

$custom: #573eb3;
$custom-light: #8f75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#573eb3",
  "rgb": {
    "r": 87,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 252.821,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.46105,
    "c": 0.17622,
    "h": 287.2
  },
  "luminance": 0.08726
}

Semantic roles & 50–950 ramp

primary

#573EB3

secondary

#B8C588

accent

#D850BB

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573EB3

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

Preview Lab → · Contrast checker → · Palette generator →