#553EB3#553EB3

#553EB3 is a mid, vivid violet. Relative luminance 0.086; OKLCH L 45.9% C 0.176 H 286.2°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX#553EB3
RGBrgb(85, 62, 179)
HSLhsl(252, 49%, 47%)
HSVhsv(252, 65%, 70%)
CMYKcmyk(52.5%, 65.4%, 0%, 29.8%)
CIE-LABlab(35.26, 40.58, -59.02)
CIE-LCHlch(35.26, 71.62, 304.51°)
OKLaboklab(45.92% 0.0492 -0.1694)
OKLCHoklch(45.92% 0.176 286.2)
XYZxyz(13.6032, 8.6305, 43.5882)
Luminance0.0863 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#553EB3 #9CB33E
analogous
#3E61B3 #553EB3 #903EB3
triadic
#553EB3 #B3553E #3EB355
tetradic
#553EB3 #B33E61 #9CB33E #3EB390
square
#553EB3 #B33E61 #9CB33E #3EB390
split-complementary
#553EB3 #B3903E #61B33E
monochromatic
#2A1F58 #3F2E86 #553EB3 #7865CA #A092D9

Accessibility & contrast

On white

7.70
#553EB3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.73
#553EB3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553EB3
7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##553EB3#FFFFFF#000000##FFFFFF
##553EB31.007.702.737.70
#FFFFFF7.701.0021.001.00
#0000002.7321.001.0021.00
##FFFFFF7.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056B7
Deuteranopia (green-blind)
#0050B1
Tritanopia (blue-blind)
#305B73
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #553eb3;
/* rgb */ color: rgb(85, 62, 179);
/* oklch */ color: oklch(45.9% 0.176 286.2);
Tailwind
colors: {
  custom: {
    50: '#8d75cb',
    500: '#553eb3',
    950: '#000000',
  },
}
SCSS
$custom: #553eb3;
$custom-light: #8d75cb;
$custom-dark: #000000;
JSON
{
  "hex": "#553eb3",
  "rgb": {
    "r": 85,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 251.795,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45924,
    "c": 0.17637,
    "h": 286.2
  },
  "luminance": 0.08631
}

Semantic roles & 50–950 ramp

primary
#553EB3
secondary
#B9C588
accent
#D850BD
background
#F9F7FC
surface
#F1EDF9
border
#CBC8D2
text
#0D0813
muted
#7E7B82

Preview Lab

Preview with #553EB3

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

Preview Lab → · Contrast checker → · Palette generator →

#553EB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva