#B4306F#B4306F

#B4306F is a mid, vivid pink. Relative luminance 0.130; OKLCH L 52.9% C 0.176 H 355.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B4306F
RGB	rgb(180, 48, 111)
HSL	hsl(331, 58%, 45%)
HSV	hsv(331, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 38.3%, 29.4%)
CIE-LAB	lab(42.71, 57.37, -5.05)
CIE-LCH	lch(42.71, 57.59, 354.97°)
OKLab	oklab(52.94% 0.176 -0.0126)
OKLCH	oklch(52.94% 0.176 355.9)
XYZ	xyz(22.7501, 12.9677, 16.3408)
Luminance	0.1296 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4306F #30B475

analogous

#B430B1 #B4306F #B43330

triadic

#B4306F #6FB430 #306FB4

tetradic

#B4306F #B1B430 #30B475 #3330B4

square

#B4306F #B1B430 #30B475 #3330B4

split-complementary

#B4306F #30B433 #30B1B4

monochromatic

#531633 #842351 #B4306F #D1518E #DD81AD

Accessibility & contrast

On white

5.84

#B4306F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B4306F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4306F

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4306F	#FFFFFF	#000000	##FFFFFF
##B4306F	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5571

Deuteranopia (green-blind)

#6E6E6C

Tritanopia (blue-blind)

#C2214B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b4306f;
/* rgb */ color: rgb(180, 48, 111);
/* oklch */ color: oklch(52.9% 0.176 355.9);

Tailwind

colors: {
  custom: {
    50: '#cf7498',
    500: '#b4306f',
    950: '#000000',
  },
}

SCSS

$custom: #b4306f;
$custom-light: #cf7498;
$custom-dark: #000000;

JSON

{
  "hex": "#b4306f",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 111
  },
  "hsl": {
    "h": 331.364,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52938,
    "c": 0.17648,
    "h": 355.9
  },
  "luminance": 0.12965
}

Semantic roles & 50–950 ramp

primary

#B4306F

secondary

#79C6A2

accent

#E19747

background

#FDF7F9

surface

#FAEDF2

border

#D3C8CC

text

#15090D

muted

#837B7E

Preview Lab

Preview with #B4306F

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

Preview Lab → · Contrast checker → · Palette generator →