#B4309B#B4309B

#B4309B is a mid, highly saturated pink. Relative luminance 0.142; OKLCH L 54.8% C 0.202 H 336.8°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#B4309B
RGB	rgb(180, 48, 155)
HSL	hsl(311, 58%, 45%)
HSV	hsv(311, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 13.9%, 29.4%)
CIE-LAB	lab(44.50, 62.95, -29.19)
CIE-LCH	lch(44.50, 69.39, 335.12°)
OKLab	oklab(54.82% 0.1852 -0.0795)
OKLCH	oklch(54.82% 0.202 336.8)
XYZ	xyz(25.7962, 14.1861, 32.3836)
Luminance	0.1418 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4309B #30B449

analogous

#8B30B4 #B4309B #B43059

triadic

#B4309B #9BB430 #309BB4

tetradic

#B4309B #B48B30 #30B449 #3059B4

square

#B4309B #B48B30 #30B449 #3059B4

split-complementary

#B4309B #59B430 #30B48B

monochromatic

#531648 #842371 #B4309B #D151B8 #DD81CC

Accessibility & contrast

On white

5.47

#B4309B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#B4309B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4309B

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4309B	#FFFFFF	#000000	##FFFFFF
##B4309B	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335C9E

Deuteranopia (green-blind)

#617098

Tritanopia (blue-blind)

#BE3862

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b4309b;
/* rgb */ color: rgb(180, 48, 155);
/* oklch */ color: oklch(54.8% 0.202 336.8);

Tailwind

colors: {
  custom: {
    50: '#ce75b9',
    500: '#b4309b',
    950: '#000000',
  },
}

SCSS

$custom: #b4309b;
$custom-light: #ce75b9;
$custom-dark: #000000;

JSON

{
  "hex": "#b4309b",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 311.364,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5482,
    "c": 0.20154,
    "h": 336.8
  },
  "luminance": 0.14184
}

Semantic roles & 50–950 ramp

primary

#B4309B

secondary

#79C688

accent

#E16447

background

#FDF7FB

surface

#FAEEF6

border

#D3C9D0

text

#140911

muted

#837B80

Preview Lab

Preview with #B4309B

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

Preview Lab → · Contrast checker → · Palette generator →