#B551CB#B551CB

#B551CB is a mid, vivid purple. Relative luminance 0.200; OKLCH L 61.0% C 0.198 H 320.0°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#B551CB
RGB	rgb(181, 81, 203)
HSL	hsl(289, 54%, 56%)
HSV	hsv(289, 60%, 80%)
CMYK	cmyk(10.8%, 60.1%, 0%, 20.4%)
CIE-LAB	lab(51.86, 58.12, -45.70)
CIE-LCH	lch(51.86, 73.94, 321.82°)
OKLab	oklab(60.98% 0.152 -0.1274)
OKLCH	oklch(60.98% 0.198 320)
XYZ	xyz(32.7767, 20.0219, 58.6264)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B551CB #67CB51

analogous

#7851CB #B551CB #CB51A4

triadic

#B551CB #CBB551 #51CBB5

tetradic

#B551CB #CB7851 #67CB51 #51A4CB

square

#B551CB #CB7851 #67CB51 #51A4CB

split-complementary

#B551CB #A4CB51 #51CB78

monochromatic

#6D257C #9633AC #B551CB #C980D9 #DDAFE7

Accessibility & contrast

On white

4.20

#B551CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#B551CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B551CB

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B551CB	#FFFFFF	#000000	##000000
##B551CB	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3475CF

Deuteranopia (green-blind)

#5B7FC8

Tritanopia (blue-blind)

#B66487

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #b551cb;
/* rgb */ color: rgb(181, 81, 203);
/* oklch */ color: oklch(61.0% 0.198 320.0);

Tailwind

colors: {
  custom: {
    50: '#ce87db',
    500: '#b551cb',
    950: '#000000',
  },
}

SCSS

$custom: #b551cb;
$custom-light: #ce87db;
$custom-dark: #000000;

JSON

{
  "hex": "#b551cb",
  "rgb": {
    "r": 181,
    "g": 81,
    "b": 203
  },
  "hsl": {
    "h": 289.18,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.60982,
    "c": 0.19833,
    "h": 320
  },
  "luminance": 0.2002
}

Semantic roles & 50–950 ramp

primary

#B551CB

secondary

#ACD5A3

accent

#DD4A65

background

#FDF8FD

surface

#FAF0FB

border

#D3CBD4

text

#140C15

muted

#837D83

Preview Lab

Preview with #B551CB

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

Preview Lab → · Contrast checker → · Palette generator →