#551BA0#551BA0

#551BA0 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.192 H 295.8°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX#551BA0
RGBrgb(85, 27, 160)
HSLhsl(266, 71%, 37%)
HSVhsv(266, 83%, 63%)
CMYKcmyk(46.9%, 83.1%, 0%, 37.3%)
CIE-LABlab(27.44, 52.52, -60.40)
CIE-LCHlch(27.44, 80.04, 311.01°)
OKLaboklab(39.87% 0.0837 -0.1732)
OKLCHoklch(39.87% 0.192 295.8)
XYZxyz(10.4817, 5.2530, 33.7126)
Luminance0.0525 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#551BA0 #66A01B
analogous
#1B24A0 #551BA0 #981BA0
triadic
#551BA0 #A0551B #1BA055
tetradic
#551BA0 #A01B24 #66A01B #1BA098
square
#551BA0 #A01B24 #66A01B #1BA098
split-complementary
#551BA0 #A0981B #24A01B
monochromatic
#1D0937 #39126C #551BA0 #7124D4 #9253E2

Accessibility & contrast

On white

10.24
#551BA0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#551BA0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551BA0
10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##551BA0#FFFFFF#000000##FFFFFF
##551BA01.0010.242.0510.24
#FFFFFF10.241.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0042A4
Deuteranopia (green-blind)
#003F9E
Tritanopia (blue-blind)
#3F425F
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #551ba0;
/* rgb */ color: rgb(85, 27, 160);
/* oklch */ color: oklch(39.9% 0.192 295.8);
Tailwind
colors: {
  custom: {
    50: '#8d60bd',
    500: '#551ba0',
    950: '#000000',
  },
}
SCSS
$custom: #551ba0;
$custom-light: #8d60bd;
$custom-dark: #000000;
JSON
{
  "hex": "#551ba0",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 160
  },
  "hsl": {
    "h": 266.165,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39874,
    "c": 0.19238,
    "h": 295.8
  },
  "luminance": 0.05253
}

Semantic roles & 50–950 ramp

primary
#551BA0
secondary
#93C552
accent
#EE3A9F
background
#F9F5FB
surface
#F1EAF7
border
#CBC6D0
text
#0D0512
muted
#7E7981

Preview Lab

Preview with #551BA0

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

Preview Lab → · Contrast checker → · Palette generator →

#551BA0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva