#573F9C#573F9C

#573F9C is a dark, vivid violet. Relative luminance 0.080; OKLCH L 44.5% C 0.145 H 291.3°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#573F9C
RGBrgb(87, 63, 156)
HSLhsl(255, 42%, 43%)
HSVhsv(255, 60%, 61%)
CMYKcmyk(44.2%, 59.6%, 0%, 38.8%)
CIE-LABlab(33.94, 33.50, -47.37)
CIE-LCHlch(33.94, 58.02, 305.27°)
OKLaboklab(44.46% 0.0525 -0.135)
OKLCHoklch(44.46% 0.145 291.3)
XYZxyz(11.7071, 7.9812, 32.3697)
Luminance0.0798 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#573F9C #849C3F
analogous
#3F559C #573F9C #853F9C
triadic
#573F9C #9C573F #3F9C57
tetradic
#573F9C #9C3F55 #849C3F #3F9C85
square
#573F9C #9C3F55 #849C3F #3F9C85
split-complementary
#573F9C #9C853F #559C3F
monochromatic
#261C45 #3F2D70 #573F9C #745BBD #9987CE

Accessibility & contrast

On white

8.09
#573F9C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#573F9C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573F9C
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##573F9C#FFFFFF#000000##FFFFFF
##573F9C1.008.092.608.09
#FFFFFF8.091.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00519F
Deuteranopia (green-blind)
#074E9A
Tritanopia (blue-blind)
#435467
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #573f9c;
/* rgb */ color: rgb(87, 63, 156);
/* oklch */ color: oklch(44.5% 0.145 291.3);
Tailwind
colors: {
  custom: {
    50: '#8b75ba',
    500: '#573f9c',
    950: '#000000',
  },
}
SCSS
$custom: #573f9c;
$custom-light: #8b75ba;
$custom-dark: #000000;
JSON
{
  "hex": "#573f9c",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 156
  },
  "hsl": {
    "h": 255.484,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44462,
    "c": 0.1449,
    "h": 291.3
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary
#573F9C
secondary
#AAB97E
accent
#D256B2
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0C0812
muted
#7D7B81

Preview Lab

Preview with #573F9C

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

Preview Lab → · Contrast checker → · Palette generator →

#573F9C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva