#B1307B#B1307B

#B1307B is a mid, vivid pink. Relative luminance 0.129; OKLCH L 52.9% C 0.180 H 349.4°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B1307B
RGB	rgb(177, 48, 123)
HSL	hsl(325, 57%, 44%)
HSV	hsv(325, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 30.5%, 30.6%)
CIE-LAB	lab(42.60, 57.91, -12.70)
CIE-LCH	lch(42.60, 59.29, 347.63°)
OKLab	oklab(52.9% 0.1767 -0.0332)
OKLCH	oklch(52.9% 0.18 349.4)
XYZ	xyz(22.7647, 12.8936, 20.0249)
Luminance	0.1289 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1307B #30B166

analogous

#A730B1 #B1307B #B1303B

triadic

#B1307B #7BB130 #307BB1

tetradic

#B1307B #B1A730 #30B166 #303BB1

square

#B1307B #B1A730 #30B166 #303BB1

split-complementary

#B1307B #3BB130 #30B1A7

monochromatic

#511638 #81235A #B1307B #CF4F9A #DC7FB5

Accessibility & contrast

On white

5.87

#B1307B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B1307B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1307B

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1307B	#FFFFFF	#000000	##FFFFFF
##B1307B	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44567D

Deuteranopia (green-blind)

#696D78

Tritanopia (blue-blind)

#BE2951

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b1307b;
/* rgb */ color: rgb(177, 48, 123);
/* oklch */ color: oklch(52.9% 0.180 349.4);

Tailwind

colors: {
  custom: {
    50: '#cd74a1',
    500: '#b1307b',
    950: '#000000',
  },
}

SCSS

$custom: #b1307b;
$custom-light: #cd74a1;
$custom-dark: #000000;

JSON

{
  "hex": "#b1307b",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 325.116,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52896,
    "c": 0.17978,
    "h": 349.4
  },
  "luminance": 0.12891
}

Semantic roles & 50–950 ramp

primary

#B1307B

secondary

#78C598

accent

#E18747

background

#FDF7F9

surface

#FAEDF2

border

#D3C8CC

text

#14090F

muted

#837B7E

Preview Lab

Preview with #B1307B

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

Preview Lab → · Contrast checker → · Palette generator →