#B557CC#B557CC

#B557CC is a mid, vivid purple. Relative luminance 0.210; OKLCH L 61.8% C 0.190 H 319.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#B557CC
RGB	rgb(181, 87, 204)
HSL	hsl(288, 53%, 57%)
HSV	hsv(288, 57%, 80%)
CMYK	cmyk(11.3%, 57.4%, 0%, 20%)
CIE-LAB	lab(52.95, 55.50, -44.55)
CIE-LCH	lch(52.95, 71.17, 321.25°)
OKLab	oklab(61.79% 0.1445 -0.124)
OKLCH	oklch(61.79% 0.19 319.4)
XYZ	xyz(33.3619, 21.0012, 59.4113)
Luminance	0.2100 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B557CC #6ECC57

analogous

#7B57CC #B557CC #CC57A9

triadic

#B557CC #CCB557 #57CCB5

tetradic

#B557CC #CC7B57 #6ECC57 #57A9CC

square

#B557CC #CC7B57 #6ECC57 #57A9CC

split-complementary

#B557CC #A9CC57 #57CC7B

monochromatic

#702781 #9836B0 #B557CC #CA86DA #DEB5E9

Accessibility & contrast

On white

4.04

#B557CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#B557CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B557CC

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B557CC	#FFFFFF	#000000	##000000
##B557CC	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D78D0

Deuteranopia (green-blind)

#5F82C9

Tritanopia (blue-blind)

#B56989

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #b557cc;
/* rgb */ color: rgb(181, 87, 204);
/* oklch */ color: oklch(61.8% 0.190 319.4);

Tailwind

colors: {
  custom: {
    50: '#ce8bdc',
    500: '#b557cc',
    950: '#000000',
  },
}

SCSS

$custom: #b557cc;
$custom-light: #ce8bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#b557cc",
  "rgb": {
    "r": 181,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 288.205,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.61793,
    "c": 0.19047,
    "h": 319.4
  },
  "luminance": 0.21
}

Semantic roles & 50–950 ramp

primary

#B557CC

secondary

#B1D7A8

accent

#DD4B68

background

#FCF8FD

surface

#F9F0FB

border

#D2CBD4

text

#140C15

muted

#827D83

Preview Lab

Preview with #B557CC

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

Preview Lab → · Contrast checker → · Palette generator →