#573BB1#573BB1

#573BB1 is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.5% C 0.177 H 288.1°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#573BB1
RGB	rgb(87, 59, 177)
HSL	hsl(254, 50%, 46%)
HSV	hsv(254, 67%, 69%)
CMYK	cmyk(50.8%, 66.7%, 0%, 30.6%)
CIE-LAB	lab(34.66, 42.06, -58.81)
CIE-LCH	lch(34.66, 72.30, 305.57°)
OKLab	oklab(45.48% 0.0552 -0.1687)
OKLCH	oklch(45.48% 0.177 288.1)
XYZ	xyz(13.4279, 8.3279, 42.4864)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.56

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573BB1 #95B13B

analogous

#3B5AB1 #573BB1 #923BB1

triadic

#573BB1 #B1573B #3BB157

tetradic

#573BB1 #B13B5A #95B13B #3BB192

square

#573BB1 #B13B5A #95B13B #3BB192

split-complementary

#573BB1 #B1923B #5AB13B

monochromatic

#2A1C55 #402C83 #573BB1 #795FCA #9F8DD9

Accessibility & contrast

On white

7.88

#573BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#573BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573BB1

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573BB1	#FFFFFF	#000000	##FFFFFF
##573BB1	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#004EAF

Tritanopia (blue-blind)

#375871

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #573bb1;
/* rgb */ color: rgb(87, 59, 177);
/* oklch */ color: oklch(45.5% 0.177 288.1);

Tailwind

colors: {
  custom: {
    50: '#8e73c9',
    500: '#573bb1',
    950: '#000000',
  },
}

SCSS

$custom: #573bb1;
$custom-light: #8e73c9;
$custom-dark: #000000;

JSON

{
  "hex": "#573bb1",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 254.237,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45482,
    "c": 0.17749,
    "h": 288.1
  },
  "luminance": 0.08328
}

Semantic roles & 50–950 ramp

primary

#573BB1

secondary

#B5C484

accent

#DA4EB8

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573BB1

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

Preview Lab → · Contrast checker → · Palette generator →