#573BAB#573BAB

#573BAB is a dark, vivid violet. Relative luminance 0.081; OKLCH L 45.0% C 0.170 H 289.2°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#573BAB
RGB	rgb(87, 59, 171)
HSL	hsl(255, 49%, 45%)
HSV	hsv(255, 65%, 67%)
CMYK	cmyk(49.1%, 65.5%, 0%, 32.9%)
CIE-LAB	lab(34.18, 40.29, -56.01)
CIE-LCH	lch(34.18, 69.00, 305.73°)
OKLab	oklab(44.99% 0.056 -0.1605)
OKLCH	oklch(44.99% 0.17 289.2)
XYZ	xyz(12.8430, 8.0939, 39.4058)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573BAB #8FAB3B

analogous

#3B57AB #573BAB #8F3BAB

triadic

#573BAB #AB573B #3BAB57

tetradic

#573BAB #AB3B57 #8FAB3B #3BAB8F

square

#573BAB #AB3B57 #8FAB3B #3BAB8F

split-complementary

#573BAB #AB8F3B #57AB3B

monochromatic

#291C50 #402B7D #573BAB #775CC7 #9D8AD7

Accessibility & contrast

On white

8.02

#573BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#573BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573BAB

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573BAB	#FFFFFF	#000000	##FFFFFF
##573BAB	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AE

Deuteranopia (green-blind)

#004EA9

Tritanopia (blue-blind)

#3B566E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #573bab;
/* rgb */ color: rgb(87, 59, 171);
/* oklch */ color: oklch(45.0% 0.170 289.2);

Tailwind

colors: {
  custom: {
    50: '#8e73c5',
    500: '#573bab',
    950: '#000000',
  },
}

SCSS

$custom: #573bab;
$custom-light: #8e73c5;
$custom-dark: #000000;

JSON

{
  "hex": "#573bab",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 171
  },
  "hsl": {
    "h": 255,
    "s": 48.696,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44987,
    "c": 0.16994,
    "h": 289.2
  },
  "luminance": 0.08094
}

Semantic roles & 50–950 ramp

primary

#573BAB

secondary

#B1C181

accent

#D850B6

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573BAB

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

Preview Lab → · Contrast checker → · Palette generator →