#B557CB#B557CB

#B557CB is a mid, vivid purple. Relative luminance 0.210; OKLCH L 61.7% C 0.190 H 319.7°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#B557CB
RGB	rgb(181, 87, 203)
HSL	hsl(289, 53%, 57%)
HSV	hsv(289, 57%, 80%)
CMYK	cmyk(10.8%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(52.90, 55.30, -44.06)
CIE-LCH	lch(52.90, 70.71, 321.46°)
OKLab	oklab(61.74% 0.1445 -0.1226)
OKLCH	oklch(61.74% 0.19 319.7)
XYZ	xyz(33.2424, 20.9534, 58.7817)
Luminance	0.2095 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B557CB #6DCB57

analogous

#7B57CB #B557CB #CB57A7

triadic

#B557CB #CBB557 #57CBB5

tetradic

#B557CB #CB7B57 #6DCB57 #57A7CB

square

#B557CB #CB7B57 #6DCB57 #57A7CB

split-complementary

#B557CB #A7CB57 #57CB7B

monochromatic

#6F2880 #9836AF #B557CB #CA86D9 #DEB4E8

Accessibility & contrast

On white

4.05

#B557CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#B557CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B557CB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B557CB	#FFFFFF	#000000	##000000
##B557CB	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E78CF

Deuteranopia (green-blind)

#5F82C8

Tritanopia (blue-blind)

#B66989

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #b557cb;
/* rgb */ color: rgb(181, 87, 203);
/* oklch */ color: oklch(61.7% 0.190 319.7);

Tailwind

colors: {
  custom: {
    50: '#ce8bdb',
    500: '#b557cb',
    950: '#000000',
  },
}

SCSS

$custom: #b557cb;
$custom-light: #ce8bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#b557cb",
  "rgb": {
    "r": 181,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 288.621,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.61737,
    "c": 0.18951,
    "h": 319.7
  },
  "luminance": 0.20952
}

Semantic roles & 50–950 ramp

primary

#B557CB

secondary

#B0D7A7

accent

#DC4C67

background

#FCF8FD

surface

#F9F0FB

border

#D2CBD4

text

#140C15

muted

#827D83

Preview Lab

Preview with #B557CB

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

Preview Lab → · Contrast checker → · Palette generator →