#B551CA#B551CA

#B551CA is a mid, vivid purple. Relative luminance 0.200; OKLCH L 60.9% C 0.197 H 320.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#B551CA
RGBrgb(181, 81, 202)
HSLhsl(290, 53%, 55%)
HSVhsv(290, 60%, 79%)
CMYKcmyk(10.4%, 59.9%, 0%, 20.8%)
CIE-LABlab(51.81, 57.93, -45.22)
CIE-LCHlch(51.81, 73.48, 322.03°)
OKLaboklab(60.93% 0.152 -0.1259)
OKLCHoklch(60.93% 0.197 320.4)
XYZxyz(32.6579, 19.9744, 58.0009)
Luminance0.1997 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B551CA #66CA51
analogous
#7851CA #B551CA #CA51A2
triadic
#B551CA #CAB551 #51CAB5
tetradic
#B551CA #CA7851 #66CA51 #51A2CA
square
#B551CA #CA7851 #66CA51 #51A2CA
split-complementary
#B551CA #A2CA51 #51CA78
monochromatic
#6C257B #9534AA #B551CA #C980D8 #DDAFE7

Accessibility & contrast

On white

4.20
#B551CA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.99
#B551CA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B551CA
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B551CA#FFFFFF#000000##000000
##B551CA1.004.204.994.99
#FFFFFF4.201.0021.0021.00
#0000004.9921.001.001.00
##0000004.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#3574CE
Deuteranopia (green-blind)
#5C7FC7
Tritanopia (blue-blind)
#B66486
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #b551ca;
/* rgb */ color: rgb(181, 81, 202);
/* oklch */ color: oklch(60.9% 0.197 320.4);
Tailwind
colors: {
  custom: {
    50: '#ce87da',
    500: '#b551ca',
    950: '#000000',
  },
}
SCSS
$custom: #b551ca;
$custom-light: #ce87da;
$custom-dark: #000000;
JSON
{
  "hex": "#b551ca",
  "rgb": {
    "r": 181,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 289.587,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60925,
    "c": 0.19739,
    "h": 320.4
  },
  "luminance": 0.19973
}

Semantic roles & 50–950 ramp

primary
#B551CA
secondary
#ABD5A2
accent
#DD4B64
background
#FDF8FD
surface
#FAF0FB
border
#D3CBD4
text
#140C15
muted
#837D83

Preview Lab

Preview with #B551CA

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

Preview Lab → · Contrast checker → · Palette generator →

#B551CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva