#573FCB#573FCB

#573FCB is a mid, highly saturated violet. Relative luminance 0.099; OKLCH L 48.3% C 0.205 H 283.5°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#573FCB
RGBrgb(87, 63, 203)
HSLhsl(250, 57%, 52%)
HSVhsv(250, 69%, 80%)
CMYKcmyk(57.1%, 69%, 0%, 20.4%)
CIE-LABlab(37.65, 47.59, -69.19)
CIE-LCHlch(37.65, 83.98, 304.52°)
OKLaboklab(48.3% 0.0477 -0.1991)
OKLCHoklch(48.3% 0.205 283.5)
XYZxyz(16.4842, 9.8920, 57.5291)
Luminance0.0989 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#573FCB #B3CB3F
analogous
#3F6DCB #573FCB #9D3FCB
triadic
#573FCB #CB573F #3FCB57
tetradic
#573FCB #CB3F6D #B3CB3F #3FCB9D
square
#573FCB #CB3F6D #B3CB3F #3FCB9D
split-complementary
#573FCB #CB9D3F #6DCB3F
monochromatic
#2D1F71 #402CA1 #573FCB #816FD8 #AB9FE5

Accessibility & contrast

On white

7.05
#573FCB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.98
#573FCB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573FCB
7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##573FCB#FFFFFF#000000##FFFFFF
##573FCB1.007.052.987.05
#FFFFFF7.051.0021.001.00
#0000002.9821.001.0021.00
##FFFFFF7.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DCF
Deuteranopia (green-blind)
#0054C8
Tritanopia (blue-blind)
#186480
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #573fcb;
/* rgb */ color: rgb(87, 63, 203);
/* oklch */ color: oklch(48.3% 0.205 283.5);
Tailwind
colors: {
  custom: {
    50: '#9276dc',
    500: '#573fcb',
    950: '#000000',
  },
}
SCSS
$custom: #573fcb;
$custom-light: #9276dc;
$custom-dark: #000000;
JSON
{
  "hex": "#573fcb",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 203
  },
  "hsl": {
    "h": 250.286,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48304,
    "c": 0.20478,
    "h": 283.5
  },
  "luminance": 0.09893
}

Semantic roles & 50–950 ramp

primary
#573FCB
secondary
#C7D194
accent
#E147C6
background
#F9F7FD
surface
#F2EDFB
border
#CCC8D4
text
#0E0915
muted
#7E7B83

Preview Lab

Preview with #573FCB

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

Preview Lab → · Contrast checker → · Palette generator →

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