#B4309A#B4309A

#B4309A is a mid, highly saturated pink. Relative luminance 0.141; OKLCH L 54.8% C 0.201 H 337.2°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#B4309A
RGB	rgb(180, 48, 154)
HSL	hsl(312, 58%, 45%)
HSV	hsv(312, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 14.4%, 29.4%)
CIE-LAB	lab(44.45, 62.81, -28.67)
CIE-LCH	lch(44.45, 69.04, 335.47°)
OKLab	oklab(54.77% 0.1851 -0.0779)
OKLCH	oklch(54.77% 0.201 337.2)
XYZ	xyz(25.7126, 14.1527, 31.9431)
Luminance	0.1415 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4309A #30B44A

analogous

#8C30B4 #B4309A #B43058

triadic

#B4309A #9AB430 #309AB4

tetradic

#B4309A #B48C30 #30B44A #3058B4

square

#B4309A #B48C30 #30B44A #3058B4

split-complementary

#B4309A #58B430 #30B48C

monochromatic

#531647 #842371 #B4309A #D151B7 #DD81CB

Accessibility & contrast

On white

5.48

#B4309A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#B4309A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4309A

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4309A	#FFFFFF	#000000	##FFFFFF
##B4309A	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345C9D

Deuteranopia (green-blind)

#617097

Tritanopia (blue-blind)

#BE3861

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b4309a;
/* rgb */ color: rgb(180, 48, 154);
/* oklch */ color: oklch(54.8% 0.201 337.2);

Tailwind

colors: {
  custom: {
    50: '#ce75b8',
    500: '#b4309a',
    950: '#000000',
  },
}

SCSS

$custom: #b4309a;
$custom-light: #ce75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#b4309a",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 154
  },
  "hsl": {
    "h": 311.818,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5477,
    "c": 0.20085,
    "h": 337.2
  },
  "luminance": 0.1415
}

Semantic roles & 50–950 ramp

primary

#B4309A

secondary

#79C689

accent

#E16547

background

#FDF7FB

surface

#FAEEF6

border

#D3C9D0

text

#140911

muted

#837B80

Preview Lab

Preview with #B4309A

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

Preview Lab → · Contrast checker → · Palette generator →