#B437BB#B437BB

#B437BB is a mid, highly saturated purple. Relative luminance 0.160; OKLCH L 57.2% C 0.218 H 325.7°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#B437BB
RGB	rgb(180, 55, 187)
HSL	hsl(297, 55%, 47%)
HSV	hsv(297, 71%, 73%)
CMYK	cmyk(3.7%, 70.6%, 0%, 26.7%)
CIE-LAB	lab(47.01, 65.63, -44.17)
CIE-LCH	lch(47.01, 79.11, 326.06°)
OKLab	oklab(57.16% 0.1798 -0.1227)
OKLCH	oklch(57.16% 0.218 325.7)
XYZ	xyz(29.1576, 16.0254, 48.5615)
Luminance	0.1602 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B437BB #3EBB37

analogous

#7237BB #B437BB #BB3780

triadic

#B437BB #BBB437 #37BBB4

tetradic

#B437BB #BB7237 #3EBB37 #3780BB

square

#B437BB #BB7237 #3EBB37 #3780BB

split-complementary

#B437BB #80BB37 #37BB72

monochromatic

#591B5C #86298C #B437BB #CA5FD0 #DA8EDE

Accessibility & contrast

On white

4.99

#B437BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#B437BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B437BB

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B437BB	#FFFFFF	#000000	##FFFFFF
##B437BB	1.00	4.99	4.20	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1666BF

Deuteranopia (green-blind)

#5375B8

Tritanopia (blue-blind)

#B84C76

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b437bb;
/* rgb */ color: rgb(180, 55, 187);
/* oklch */ color: oklch(57.2% 0.218 325.7);

Tailwind

colors: {
  custom: {
    50: '#ce79d0',
    500: '#b437bb',
    950: '#000000',
  },
}

SCSS

$custom: #b437bb;
$custom-light: #ce79d0;
$custom-dark: #000000;

JSON

{
  "hex": "#b437bb",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 187
  },
  "hsl": {
    "h": 296.818,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57164,
    "c": 0.21767,
    "h": 325.7
  },
  "luminance": 0.16024
}

Semantic roles & 50–950 ramp

primary

#B437BB

secondary

#89C985

accent

#DE4A52

background

#FDF7FC

surface

#FAEEF9

border

#D3C9D2

text

#140A14

muted

#837C82

Preview Lab

Preview with #B437BB

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

Preview Lab → · Contrast checker → · Palette generator →