#573B8F#573B8F

#573B8F is a dark, vivid violet. Relative luminance 0.071; OKLCH L 42.8% C 0.134 H 295.6°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#573B8F
RGB	rgb(87, 59, 143)
HSL	hsl(260, 42%, 40%)
HSV	hsv(260, 59%, 56%)
CMYK	cmyk(39.2%, 58.7%, 0%, 43.9%)
CIE-LAB	lab(32.12, 32.14, -42.39)
CIE-LCH	lch(32.12, 53.20, 307.17°)
OKLab	oklab(42.83% 0.0577 -0.1204)
OKLCH	oklch(42.83% 0.134 295.6)
XYZ	xyz(10.4511, 7.1371, 26.8083)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B8F #738F3B

analogous

#3B498F #573B8F #813B8F

triadic

#573B8F #8F573B #3B8F57

tetradic

#573B8F #8F3B49 #738F3B #3B8F81

square

#573B8F #8F3B49 #738F3B #3B8F81

split-complementary

#573B8F #8F813B #498F3B

monochromatic

#221738 #3D2964 #573B8F #7250B7 #957CC9

Accessibility & contrast

On white

8.65

#573B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#573B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B8F

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B8F	#FFFFFF	#000000	##FFFFFF
##573B8F	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4C92

Deuteranopia (green-blind)

#1A4A8D

Tritanopia (blue-blind)

#494D5F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #573b8f;
/* rgb */ color: rgb(87, 59, 143);
/* oklch */ color: oklch(42.8% 0.134 295.6);

Tailwind

colors: {
  custom: {
    50: '#8a72b0',
    500: '#573b8f',
    950: '#000000',
  },
}

SCSS

$custom: #573b8f;
$custom-light: #8a72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#573b8f",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 143
  },
  "hsl": {
    "h": 260,
    "s": 41.584,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42833,
    "c": 0.13351,
    "h": 295.6
  },
  "luminance": 0.07137
}

Semantic roles & 50–950 ramp

primary

#573B8F

secondary

#9DB273

accent

#D156A8

background

#F8F6FA

surface

#F0ECF5

border

#CBC7CF

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #573B8F

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

Preview Lab → · Contrast checker → · Palette generator →