#573EDB#573EDB

#573EDB is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.6% C 0.225 H 281.7°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#573EDB
RGBrgb(87, 62, 219)
HSLhsl(250, 69%, 55%)
HSVhsv(250, 72%, 86%)
CMYKcmyk(60.3%, 71.7%, 0%, 14.1%)
CIE-LABlab(38.87, 52.91, -76.41)
CIE-LCHlch(38.87, 92.94, 304.70°)
OKLaboklab(49.61% 0.0455 -0.2203)
OKLCHoklch(49.61% 0.225 281.7)
XYZxyz(18.4353, 10.5847, 68.0757)
Luminance0.1059 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#573EDB #C2DB3E
analogous
#3E74DB #573EDB #A53EDB
triadic
#573EDB #DB573E #3EDB57
tetradic
#573EDB #DB3E74 #C2DB3E #3EDBA5
square
#573EDB #DB3E74 #C2DB3E #3EDBA5
split-complementary
#573EDB #DBA53E #74DB3E
monochromatic
#2A1986 #3B23B9 #573EDB #8472E5 #B1A5EE

Accessibility & contrast

On white

6.74
#573EDB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#573EDB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573EDB
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##573EDB#FFFFFF#000000##FFFFFF
##573EDB1.006.743.126.74
#FFFFFF6.741.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061E0
Deuteranopia (green-blind)
#0056D8
Tritanopia (blue-blind)
#006989
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #573edb;
/* rgb */ color: rgb(87, 62, 219);
/* oklch */ color: oklch(49.6% 0.225 281.7);
Tailwind
colors: {
  custom: {
    50: '#9576e7',
    500: '#573edb',
    950: '#000000',
  },
}
SCSS
$custom: #573edb;
$custom-light: #9576e7;
$custom-dark: #000000;
JSON
{
  "hex": "#573edb",
  "rgb": {
    "r": 87,
    "g": 62,
    "b": 219
  },
  "hsl": {
    "h": 249.554,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49609,
    "c": 0.22493,
    "h": 281.7
  },
  "luminance": 0.10586
}

Semantic roles & 50–950 ramp

primary
#573EDB
secondary
#D1DB99
accent
#EB3CD0
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0F0916
muted
#7E7B84

Preview Lab

Preview with #573EDB

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

Preview Lab → · Contrast checker → · Palette generator →

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