#553FD3#553FD3

#553FD3 is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.9% C 0.215 H 281.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX#553FD3
RGBrgb(85, 63, 211)
HSLhsl(249, 63%, 54%)
HSVhsv(249, 70%, 83%)
CMYKcmyk(59.7%, 70.1%, 0%, 17.3%)
CIE-LABlab(38.18, 49.71, -72.96)
CIE-LCHlch(38.18, 88.28, 304.27°)
OKLaboklab(48.86% 0.0436 -0.2102)
OKLCHoklch(48.86% 0.215 281.7)
XYZxyz(17.2780, 10.1883, 62.6714)
Luminance0.1019 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#553FD3 #BDD33F
analogous
#3F73D3 #553FD3 #9F3FD3
triadic
#553FD3 #D3553F #3FD355
tetradic
#553FD3 #D33F73 #BDD33F #3FD39F
square
#553FD3 #D33F73 #BDD33F #3FD39F
split-complementary
#553FD3 #D39F3F #73D33F
monochromatic
#2A1C7B #3C28AD #553FD3 #8171DE #ADA3EA

Accessibility & contrast

On white

6.91
#553FD3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#553FD3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #553FD3
6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##553FD3#FFFFFF#000000##FFFFFF
##553FD31.006.913.046.91
#FFFFFF6.911.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FD7
Deuteranopia (green-blind)
#0055D0
Tritanopia (blue-blind)
#006785
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #553fd3;
/* rgb */ color: rgb(85, 63, 211);
/* oklch */ color: oklch(48.9% 0.215 281.7);
Tailwind
colors: {
  custom: {
    50: '#9276e2',
    500: '#553fd3',
    950: '#000000',
  },
}
SCSS
$custom: #553fd3;
$custom-light: #9276e2;
$custom-dark: #000000;
JSON
{
  "hex": "#553fd3",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 211
  },
  "hsl": {
    "h": 248.919,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.48855,
    "c": 0.21472,
    "h": 281.7
  },
  "luminance": 0.10189
}

Semantic roles & 50–950 ramp

primary
#553FD3
secondary
#CDD797
accent
#E642CD
background
#F9F7FE
surface
#F2EDFC
border
#CCC8D5
text
#0E0915
muted
#7E7B84

Preview Lab

Preview with #553FD3

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

Preview Lab → · Contrast checker → · Palette generator →

#553FD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva