#B4378C#B4378C

#B4378C is a mid, vivid pink. Relative luminance 0.143; OKLCH L 54.8% C 0.183 H 343.2°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#B4378C
RGBrgb(180, 55, 140)
HSLhsl(319, 53%, 46%)
HSVhsv(319, 69%, 71%)
CMYKcmyk(0%, 69.4%, 22.2%, 29.4%)
CIE-LABlab(44.70, 58.37, -19.83)
CIE-LCHlch(44.70, 61.65, 341.24°)
OKLaboklab(54.75% 0.1755 -0.053)
OKLCHoklch(54.75% 0.183 343.2)
XYZxyz(24.9230, 14.3316, 26.2596)
Luminance0.1433 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4378C #37B45F
analogous
#9D37B4 #B4378C #B4374D
triadic
#B4378C #8CB437 #378CB4
tetradic
#B4378C #B49D37 #37B45F #374DB4
square
#B4378C #B49D37 #37B45F #374DB4
split-complementary
#B4378C #4DB437 #37B49D
monochromatic
#561A43 #852968 #B4378C #CD5BA9 #DB8AC1

Accessibility & contrast

On white

5.43
#B4378C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.87
#B4378C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4378C
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4378C#FFFFFF#000000##FFFFFF
##B4378C1.005.433.875.43
#FFFFFF5.431.0021.001.00
#0000003.8721.001.0021.00
##FFFFFF5.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#435D8E
Deuteranopia (green-blind)
#697189
Tritanopia (blue-blind)
#BF375D
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #b4378c;
/* rgb */ color: rgb(180, 55, 140);
/* oklch */ color: oklch(54.8% 0.183 343.2);
Tailwind
colors: {
  custom: {
    50: '#ce78ad',
    500: '#b4378c',
    950: '#000000',
  },
}
SCSS
$custom: #b4378c;
$custom-light: #ce78ad;
$custom-dark: #000000;
JSON
{
  "hex": "#b4378c",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 319.2,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54751,
    "c": 0.1833,
    "h": 343.2
  },
  "luminance": 0.14329
}

Semantic roles & 50–950 ramp

primary
#B4378C
secondary
#81C697
accent
#DD7A4B
background
#FDF7FA
surface
#FAEEF4
border
#D3C9CE
text
#140A10
muted
#837C7F

Preview Lab

Preview with #B4378C

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

Preview Lab → · Contrast checker → · Palette generator →

#B4378C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva