#573BB3#573BB3

#573BB3 is a mid, vivid violet. Relative luminance 0.084; OKLCH L 45.6% C 0.180 H 287.8°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#573BB3
RGB	rgb(87, 59, 179)
HSL	hsl(254, 50%, 47%)
HSV	hsv(254, 67%, 70%)
CMYK	cmyk(51.4%, 67%, 0%, 29.8%)
CIE-LAB	lab(34.82, 42.66, -59.73)
CIE-LCH	lch(34.82, 73.40, 305.53°)
OKLab	oklab(45.65% 0.055 -0.1714)
OKLCH	oklch(45.65% 0.18 287.8)
XYZ	xyz(13.6287, 8.4082, 43.5439)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.49

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573BB3 #97B33B

analogous

#3B5BB3 #573BB3 #933BB3

triadic

#573BB3 #B3573B #3BB357

tetradic

#573BB3 #B33B5B #97B33B #3BB393

square

#573BB3 #B33B5B #97B33B #3BB393

split-complementary

#573BB3 #B3933B #5BB33B

monochromatic

#2A1D57 #412C85 #573BB3 #7960CB #A08EDA

Accessibility & contrast

On white

7.83

#573BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#573BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573BB3

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573BB3	#FFFFFF	#000000	##FFFFFF
##573BB3	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#355972

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #573bb3;
/* rgb */ color: rgb(87, 59, 179);
/* oklch */ color: oklch(45.6% 0.180 287.8);

Tailwind

colors: {
  custom: {
    50: '#8f73cb',
    500: '#573bb3',
    950: '#000000',
  },
}

SCSS

$custom: #573bb3;
$custom-light: #8f73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#573bb3",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 179
  },
  "hsl": {
    "h": 254,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4565,
    "c": 0.17999,
    "h": 287.8
  },
  "luminance": 0.08409
}

Semantic roles & 50–950 ramp

primary

#573BB3

secondary

#B6C585

accent

#DA4EB9

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573BB3

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

Preview Lab → · Contrast checker → · Palette generator →