#B4378A#B4378A

#B4378A is a mid, vivid pink. Relative luminance 0.143; OKLCH L 54.7% C 0.182 H 344.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#B4378A
RGB	rgb(180, 55, 138)
HSL	hsl(320, 53%, 46%)
HSV	hsv(320, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 23.3%, 29.4%)
CIE-LAB	lab(44.62, 58.10, -18.74)
CIE-LCH	lch(44.62, 61.05, 342.12°)
OKLab	oklab(54.66% 0.1751 -0.05)
OKLCH	oklch(54.66% 0.182 344.1)
XYZ	xyz(24.7769, 14.2732, 25.4900)
Luminance	0.1427 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4378A #37B461

analogous

#9F37B4 #B4378A #B4374B

triadic

#B4378A #8AB437 #378AB4

tetradic

#B4378A #B49F37 #37B461 #374BB4

square

#B4378A #B49F37 #37B461 #374BB4

split-complementary

#B4378A #4BB437 #37B49F

monochromatic

#561A42 #852966 #B4378A #CD5BA7 #DB8AC0

Accessibility & contrast

On white

5.45

#B4378A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#B4378A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4378A

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4378A	#FFFFFF	#000000	##FFFFFF
##B4378A	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445C8C

Deuteranopia (green-blind)

#697187

Tritanopia (blue-blind)

#C0365B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b4378a;
/* rgb */ color: rgb(180, 55, 138);
/* oklch */ color: oklch(54.7% 0.182 344.1);

Tailwind

colors: {
  custom: {
    50: '#ce78ac',
    500: '#b4378a',
    950: '#000000',
  },
}

SCSS

$custom: #b4378a;
$custom-light: #ce78ac;
$custom-dark: #000000;

JSON

{
  "hex": "#b4378a",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 138
  },
  "hsl": {
    "h": 320.16,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54664,
    "c": 0.18205,
    "h": 344.1
  },
  "luminance": 0.14271
}

Semantic roles & 50–950 ramp

primary

#B4378A

secondary

#81C698

accent

#DD7C4B

background

#FDF7FA

surface

#FAEEF4

border

#D3C9CE

text

#140A10

muted

#837C7F

Preview Lab

Preview with #B4378A

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

Preview Lab → · Contrast checker → · Palette generator →