#B4307B#B4307B

#B4307B is a mid, vivid pink. Relative luminance 0.132; OKLCH L 53.4% C 0.182 H 350.2°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B4307B
RGB	rgb(180, 48, 123)
HSL	hsl(326, 58%, 45%)
HSV	hsv(326, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 31.7%, 29.4%)
CIE-LAB	lab(43.14, 58.72, -11.84)
CIE-LCH	lch(43.14, 59.90, 348.60°)
OKLab	oklab(53.39% 0.1794 -0.0308)
OKLCH	oklch(53.39% 0.182 350.2)
XYZ	xyz(23.4558, 13.2500, 20.0573)
Luminance	0.1325 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4307B #30B469

analogous

#AB30B4 #B4307B #B43039

triadic

#B4307B #7BB430 #307BB4

tetradic

#B4307B #B4AB30 #30B469 #3039B4

square

#B4307B #B4AB30 #30B469 #3039B4

split-complementary

#B4307B #39B430 #30B4AB

monochromatic

#531639 #84235A #B4307B #D15199 #DD81B6

Accessibility & contrast

On white

5.75

#B4307B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B4307B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4307B

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4307B	#FFFFFF	#000000	##FFFFFF
##B4307B	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45577D

Deuteranopia (green-blind)

#6B6E78

Tritanopia (blue-blind)

#C12851

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b4307b;
/* rgb */ color: rgb(180, 48, 123);
/* oklch */ color: oklch(53.4% 0.182 350.2);

Tailwind

colors: {
  custom: {
    50: '#cf74a1',
    500: '#b4307b',
    950: '#000000',
  },
}

SCSS

$custom: #b4307b;
$custom-light: #cf74a1;
$custom-dark: #000000;

JSON

{
  "hex": "#b4307b",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 325.909,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53387,
    "c": 0.18203,
    "h": 350.2
  },
  "luminance": 0.13247
}

Semantic roles & 50–950 ramp

primary

#B4307B

secondary

#79C69B

accent

#E18947

background

#FDF7F9

surface

#FAEDF2

border

#D3C8CC

text

#14090F

muted

#837B7E

Preview Lab

Preview with #B4307B

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

Preview Lab → · Contrast checker → · Palette generator →