#573BB4#573BB4

#573BB4 is a mid, vivid violet. Relative luminance 0.084; OKLCH L 45.7% C 0.181 H 287.6°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#573BB4
RGB	rgb(87, 59, 180)
HSL	hsl(254, 51%, 47%)
HSV	hsv(254, 67%, 71%)
CMYK	cmyk(51.7%, 67.2%, 0%, 29.4%)
CIE-LAB	lab(34.90, 42.95, -60.19)
CIE-LCH	lch(34.90, 73.95, 305.51°)
OKLab	oklab(45.73% 0.0548 -0.1727)
OKLCH	oklch(45.73% 0.181 287.6)
XYZ	xyz(13.7302, 8.4488, 44.0785)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.47

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573BB4 #98B43B

analogous

#3B5CB4 #573BB4 #943BB4

triadic

#573BB4 #B4573B #3BB457

tetradic

#573BB4 #B43B5C #98B43B #3BB494

square

#573BB4 #B43B5C #98B43B #3BB494

split-complementary

#573BB4 #B4943B #5CB43B

monochromatic

#2A1D58 #412C86 #573BB4 #7A61CB #A08FDA

Accessibility & contrast

On white

7.81

#573BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#573BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573BB4

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573BB4	#FFFFFF	#000000	##FFFFFF
##573BB4	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#004FB2

Tritanopia (blue-blind)

#345972

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #573bb4;
/* rgb */ color: rgb(87, 59, 180);
/* oklch */ color: oklch(45.7% 0.181 287.6);

Tailwind

colors: {
  custom: {
    50: '#8f73cb',
    500: '#573bb4',
    950: '#000000',
  },
}

SCSS

$custom: #573bb4;
$custom-light: #8f73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#573bb4",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 180
  },
  "hsl": {
    "h": 253.884,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45734,
    "c": 0.18123,
    "h": 287.6
  },
  "luminance": 0.08449
}

Semantic roles & 50–950 ramp

primary

#573BB4

secondary

#B6C586

accent

#DA4EBA

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573BB4

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

Preview Lab → · Contrast checker → · Palette generator →