#553F8A#553F8A

#553F8A is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.0% C 0.120 H 294.3°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX#553F8A
RGBrgb(85, 63, 138)
HSLhsl(258, 37%, 39%)
HSVhsv(258, 54%, 54%)
CMYKcmyk(38.4%, 54.3%, 0%, 45.9%)
CIE-LABlab(32.53, 27.74, -38.67)
CIE-LCHlch(32.53, 47.59, 305.65°)
OKLaboklab(42.98% 0.0495 -0.1095)
OKLCHoklch(42.98% 0.12 294.3)
XYZxyz(10.1101, 7.3211, 24.9203)
Luminance0.0732 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#553F8A #748A3F
analogous
#3F4F8A #553F8A #7B3F8A
triadic
#553F8A #8A553F #3F8A55
tetradic
#553F8A #8A3F4F #748A3F #3F8A7B
square
#553F8A #8A3F4F #748A3F #3F8A7B
split-complementary
#553F8A #8A7B3F #4F8A3F
monochromatic
#211936 #3B2C60 #553F8A #7055B1 #937FC5

Accessibility & contrast

On white

8.52
#553F8A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.46
#553F8A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553F8A
8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##553F8A#FFFFFF#000000##FFFFFF
##553F8A1.008.522.468.52
#FFFFFF8.521.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#204D8D
Deuteranopia (green-blind)
#254B88
Tritanopia (blue-blind)
#484E5E
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #553f8a;
/* rgb */ color: rgb(85, 63, 138);
/* oklch */ color: oklch(43.0% 0.120 294.3);
Tailwind
colors: {
  custom: {
    50: '#8874ad',
    500: '#553f8a',
    950: '#000000',
  },
}
SCSS
$custom: #553f8a;
$custom-light: #8874ad;
$custom-dark: #000000;
JSON
{
  "hex": "#553f8a",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 138
  },
  "hsl": {
    "h": 257.6,
    "s": 37.313,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4298,
    "c": 0.12021,
    "h": 294.3
  },
  "luminance": 0.07321
}

Semantic roles & 50–950 ramp

primary
#553F8A
secondary
#9EAF76
accent
#CD5BAC
background
#F8F7FA
surface
#F0EDF4
border
#CBC8CE
text
#0C0810
muted
#7D7B7F

Preview Lab

Preview with #553F8A

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

Preview Lab → · Contrast checker → · Palette generator →

#553F8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva