#573A9C#573A9C

#573A9C is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.6% C 0.152 H 292.6°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX#573A9C
RGBrgb(87, 58, 156)
HSLhsl(258, 46%, 42%)
HSVhsv(258, 63%, 61%)
CMYKcmyk(44.2%, 62.8%, 0%, 38.8%)
CIE-LABlab(32.82, 36.48, -49.20)
CIE-LCHlch(32.82, 61.24, 306.56°)
OKLaboklab(43.64% 0.0585 -0.1404)
OKLCHoklch(43.64% 0.152 292.6)
XYZxyz(11.4426, 7.4523, 32.2816)
Luminance0.0745 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#573A9C #7F9C3A
analogous
#3A4E9C #573A9C #883A9C
triadic
#573A9C #9C573A #3A9C57
tetradic
#573A9C #9C3A4E #7F9C3A #3A9C88
square
#573A9C #9C3A4E #7F9C3A #3A9C88
split-complementary
#573A9C #9C883A #4E9C3A
monochromatic
#251943 #3E296F #573A9C #7454BF #9880D0

Accessibility & contrast

On white

8.43
#573A9C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#573A9C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573A9C
8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##573A9C#FFFFFF#000000##FFFFFF
##573A9C1.008.432.498.43
#FFFFFF8.431.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004E9F
Deuteranopia (green-blind)
#004B9A
Tritanopia (blue-blind)
#445065
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #573a9c;
/* rgb */ color: rgb(87, 58, 156);
/* oklch */ color: oklch(43.6% 0.152 292.6);
Tailwind
colors: {
  custom: {
    50: '#8c72ba',
    500: '#573a9c',
    950: '#000000',
  },
}
SCSS
$custom: #573a9c;
$custom-light: #8c72ba;
$custom-dark: #000000;
JSON
{
  "hex": "#573a9c",
  "rgb": {
    "r": 87,
    "g": 58,
    "b": 156
  },
  "hsl": {
    "h": 257.755,
    "s": 45.794,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43637,
    "c": 0.1521,
    "h": 292.6
  },
  "luminance": 0.07453
}

Semantic roles & 50–950 ramp

primary
#573A9C
secondary
#A6BA78
accent
#D552AF
background
#F8F6FB
surface
#F0ECF6
border
#CBC7D0
text
#0C0812
muted
#7D7B81

Preview Lab

Preview with #573A9C

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

Preview Lab → · Contrast checker → · Palette generator →

#573A9C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva