#B1307A#B1307A

#B1307A is a mid, vivid pink. Relative luminance 0.129; OKLCH L 52.9% C 0.179 H 349.8°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B1307A
RGB	rgb(177, 48, 122)
HSL	hsl(326, 57%, 44%)
HSV	hsv(326, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 31.1%, 30.6%)
CIE-LAB	lab(42.56, 57.79, -12.14)
CIE-LCH	lch(42.56, 59.06, 348.14°)
OKLab	oklab(52.86% 0.1764 -0.0317)
OKLCH	oklch(52.86% 0.179 349.8)
XYZ	xyz(22.7025, 12.8687, 19.6969)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1307A #30B167

analogous

#A830B1 #B1307A #B1303A

triadic

#B1307A #7AB130 #307AB1

tetradic

#B1307A #B1A830 #30B167 #303AB1

square

#B1307A #B1A830 #30B167 #303AB1

split-complementary

#B1307A #3AB130 #30B1A8

monochromatic

#511638 #812359 #B1307A #CF4F99 #DC7FB5

Accessibility & contrast

On white

5.88

#B1307A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B1307A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1307A

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1307A	#FFFFFF	#000000	##FFFFFF
##B1307A	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44567C

Deuteranopia (green-blind)

#696D77

Tritanopia (blue-blind)

#BE2951

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b1307a;
/* rgb */ color: rgb(177, 48, 122);
/* oklch */ color: oklch(52.9% 0.179 349.8);

Tailwind

colors: {
  custom: {
    50: '#cd74a0',
    500: '#b1307a',
    950: '#000000',
  },
}

SCSS

$custom: #b1307a;
$custom-light: #cd74a0;
$custom-dark: #000000;

JSON

{
  "hex": "#b1307a",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 122
  },
  "hsl": {
    "h": 325.581,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52856,
    "c": 0.17924,
    "h": 349.8
  },
  "luminance": 0.12866
}

Semantic roles & 50–950 ramp

primary

#B1307A

secondary

#78C599

accent

#E18947

background

#FDF7F9

surface

#FAEDF2

border

#D3C8CC

text

#14090E

muted

#837B7E

Preview Lab

Preview with #B1307A

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

Preview Lab → · Contrast checker → · Palette generator →