#B437BC#B437BC

#B437BC is a mid, highly saturated purple. Relative luminance 0.161; OKLCH L 57.2% C 0.218 H 325.4°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#B437BC
RGB	rgb(180, 55, 188)
HSL	hsl(296, 55%, 48%)
HSV	hsv(296, 71%, 74%)
CMYK	cmyk(4.3%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(47.06, 65.80, -44.67)
CIE-LCH	lch(47.06, 79.53, 325.83°)
OKLab	oklab(57.22% 0.1798 -0.1242)
OKLCH	oklch(57.22% 0.218 325.4)
XYZ	xyz(29.2650, 16.0684, 49.1273)
Luminance	0.1607 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B437BC #3FBC37

analogous

#7137BC #B437BC #BC3781

triadic

#B437BC #BCB437 #37BCB4

tetradic

#B437BC #BC7137 #3FBC37 #3781BC

square

#B437BC #BC7137 #3FBC37 #3781BC

split-complementary

#B437BC #81BC37 #37BC71

monochromatic

#591B5D #87298D #B437BC #CA60D0 #DA8FDE

Accessibility & contrast

On white

4.98

#B437BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#B437BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B437BC

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B437BC	#FFFFFF	#000000	##FFFFFF
##B437BC	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1366C0

Deuteranopia (green-blind)

#5375B9

Tritanopia (blue-blind)

#B84D76

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b437bc;
/* rgb */ color: rgb(180, 55, 188);
/* oklch */ color: oklch(57.2% 0.218 325.4);

Tailwind

colors: {
  custom: {
    50: '#ce79d1',
    500: '#b437bc',
    950: '#000000',
  },
}

SCSS

$custom: #b437bc;
$custom-light: #ce79d1;
$custom-dark: #000000;

JSON

{
  "hex": "#b437bc",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 296.391,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57223,
    "c": 0.21848,
    "h": 325.4
  },
  "luminance": 0.16067
}

Semantic roles & 50–950 ramp

primary

#B437BC

secondary

#8AC986

accent

#DE4A53

background

#FDF7FC

surface

#FAEEF9

border

#D3C9D2

text

#140A14

muted

#837C82

Preview Lab

Preview with #B437BC

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

Preview Lab → · Contrast checker → · Palette generator →