#B1308A#B1308A

#B1308A is a mid, vivid pink. Relative luminance 0.133; OKLCH L 53.5% C 0.188 H 342.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B1308A
RGB	rgb(177, 48, 138)
HSL	hsl(318, 57%, 44%)
HSV	hsv(318, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 22%, 30.6%)
CIE-LAB	lab(43.21, 59.83, -20.96)
CIE-LCH	lch(43.21, 63.40, 340.69°)
OKLab	oklab(53.54% 0.1799 -0.0562)
OKLCH	oklch(53.54% 0.188 342.7)
XYZ	xyz(23.7767, 13.2984, 25.3545)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1308A #30B157

analogous

#9830B1 #B1308A #B13049

triadic

#B1308A #8AB130 #308AB1

tetradic

#B1308A #B19830 #30B157 #3049B1

square

#B1308A #B19830 #30B157 #3049B1

split-complementary

#B1308A #49B130 #30B198

monochromatic

#51163F #812364 #B1308A #CF4FA8 #DC7FC0

Accessibility & contrast

On white

5.74

#B1308A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B1308A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1308A

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1308A	#FFFFFF	#000000	##FFFFFF
##B1308A	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D598C

Deuteranopia (green-blind)

#656E87

Tritanopia (blue-blind)

#BC3159

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b1308a;
/* rgb */ color: rgb(177, 48, 138);
/* oklch */ color: oklch(53.5% 0.188 342.7);

Tailwind

colors: {
  custom: {
    50: '#cc74ac',
    500: '#b1308a',
    950: '#000000',
  },
}

SCSS

$custom: #b1308a;
$custom-light: #cc74ac;
$custom-dark: #000000;

JSON

{
  "hex": "#b1308a",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 138
  },
  "hsl": {
    "h": 318.14,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53537,
    "c": 0.18845,
    "h": 342.7
  },
  "luminance": 0.13296
}

Semantic roles & 50–950 ramp

primary

#B1308A

secondary

#78C58F

accent

#E17647

background

#FDF7FA

surface

#FAEDF4

border

#D3C8CE

text

#140910

muted

#837B7F

Preview Lab

Preview with #B1308A

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

Preview Lab → · Contrast checker → · Palette generator →