#B557CA#B557CA

#B557CA is a mid, vivid purple. Relative luminance 0.209; OKLCH L 61.7% C 0.189 H 320.0°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#B557CA
RGB	rgb(181, 87, 202)
HSL	hsl(289, 52%, 57%)
HSV	hsv(289, 57%, 79%)
CMYK	cmyk(10.4%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(52.85, 55.11, -43.57)
CIE-LCH	lch(52.85, 70.25, 321.67°)
OKLab	oklab(61.68% 0.1444 -0.1212)
OKLCH	oklch(61.68% 0.189 320)
XYZ	xyz(33.1236, 20.9059, 58.1561)
Luminance	0.2090 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B557CA #6CCA57

analogous

#7C57CA #B557CA #CA57A6

triadic

#B557CA #CAB557 #57CAB5

tetradic

#B557CA #CA7C57 #6CCA57 #57A6CA

square

#B557CA #CA7C57 #6CCA57 #57A6CA

split-complementary

#B557CA #A6CA57 #57CA7C

monochromatic

#6F287F #9837AD #B557CA #C986D9 #DEB4E7

Accessibility & contrast

On white

4.05

#B557CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#B557CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B557CA

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B557CA	#FFFFFF	#000000	##000000
##B557CA	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F78CE

Deuteranopia (green-blind)

#6082C7

Tritanopia (blue-blind)

#B66888

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #b557ca;
/* rgb */ color: rgb(181, 87, 202);
/* oklch */ color: oklch(61.7% 0.189 320.0);

Tailwind

colors: {
  custom: {
    50: '#ce8bda',
    500: '#b557ca',
    950: '#000000',
  },
}

SCSS

$custom: #b557ca;
$custom-light: #ce8bda;
$custom-dark: #000000;

JSON

{
  "hex": "#b557ca",
  "rgb": {
    "r": 181,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 289.043,
    "s": 52.036,
    "l": 56.667
  },
  "oklch": {
    "l": 0.61682,
    "c": 0.18854,
    "h": 320
  },
  "luminance": 0.20904
}

Semantic roles & 50–950 ramp

primary

#B557CA

secondary

#AFD6A7

accent

#DB4C66

background

#FCF8FD

surface

#F9F0FB

border

#D2CBD4

text

#140C15

muted

#827D83

Preview Lab

Preview with #B557CA

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

Preview Lab → · Contrast checker → · Palette generator →