#573BBB#573BBB

#573BBB is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.3% C 0.190 H 286.4°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX#573BBB
RGBrgb(87, 59, 187)
HSLhsl(253, 52%, 48%)
HSVhsv(253, 68%, 73%)
CMYKcmyk(53.5%, 68.4%, 0%, 26.7%)
CIE-LABlab(35.48, 45.03, -63.38)
CIE-LCHlch(35.48, 77.74, 305.39°)
OKLaboklab(46.33% 0.0538 -0.1821)
OKLCHoklch(46.33% 0.19 286.4)
XYZxyz(14.4614, 8.7413, 47.9293)
Luminance0.0874 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#573BBB #9FBB3B
analogous
#3B5FBB #573BBB #973BBB
triadic
#573BBB #BB573B #3BBB57
tetradic
#573BBB #BB3B5F #9FBB3B #3BBB97
square
#573BBB #BB3B5F #9FBB3B #3BBB97
split-complementary
#573BBB #BB973B #5FBB3B
monochromatic
#2C1E5E #412C8C #573BBB #7C65CE #A393DD

Accessibility & contrast

On white

7.64
#573BBB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#573BBB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573BBB
7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##573BBB#FFFFFF#000000##FFFFFF
##573BBB1.007.642.757.64
#FFFFFF7.641.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057BF
Deuteranopia (green-blind)
#0050B8
Tritanopia (blue-blind)
#2E5C76
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #573bbb;
/* rgb */ color: rgb(87, 59, 187);
/* oklch */ color: oklch(46.3% 0.190 286.4);
Tailwind
colors: {
  custom: {
    50: '#9073d0',
    500: '#573bbb',
    950: '#000000',
  },
}
SCSS
$custom: #573bbb;
$custom-light: #9073d0;
$custom-dark: #000000;
JSON
{
  "hex": "#573bbb",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 187
  },
  "hsl": {
    "h": 253.125,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.46331,
    "c": 0.18987,
    "h": 286.4
  },
  "luminance": 0.08742
}

Semantic roles & 50–950 ramp

primary
#573BBB
secondary
#BBC88A
accent
#DB4CBC
background
#F9F7FC
surface
#F2EDF9
border
#CCC8D2
text
#0E0814
muted
#7E7B82

Preview Lab

Preview with #573BBB

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

Preview Lab → · Contrast checker → · Palette generator →

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