#B4378F#B4378F

#B4378F is a mid, vivid pink. Relative luminance 0.144; OKLCH L 54.9% C 0.185 H 341.9°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#B4378F
RGBrgb(180, 55, 143)
HSLhsl(318, 53%, 46%)
HSVhsv(318, 69%, 71%)
CMYKcmyk(0%, 69.4%, 20.6%, 29.4%)
CIE-LABlab(44.83, 58.78, -21.45)
CIE-LCHlch(44.83, 62.57, 339.95°)
OKLaboklab(54.89% 0.176 -0.0575)
OKLCHoklch(54.89% 0.185 341.9)
XYZxyz(25.1473, 14.4213, 27.4405)
Luminance0.1442 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4378F #37B45C
analogous
#9A37B4 #B4378F #B43750
triadic
#B4378F #8FB437 #378FB4
tetradic
#B4378F #B49A37 #37B45C #3750B4
square
#B4378F #B49A37 #37B45C #3750B4
split-complementary
#B4378F #50B437 #37B49A
monochromatic
#561A45 #85296A #B4378F #CD5BAB #DB8AC3

Accessibility & contrast

On white

5.41
#B4378F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#B4378F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4378F
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4378F#FFFFFF#000000##FFFFFF
##B4378F1.005.413.885.41
#FFFFFF5.411.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#415D92
Deuteranopia (green-blind)
#68718C
Tritanopia (blue-blind)
#BF395E
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #b4378f;
/* rgb */ color: rgb(180, 55, 143);
/* oklch */ color: oklch(54.9% 0.185 341.9);
Tailwind
colors: {
  custom: {
    50: '#ce78b0',
    500: '#b4378f',
    950: '#000000',
  },
}
SCSS
$custom: #b4378f;
$custom-light: #ce78b0;
$custom-dark: #000000;
JSON
{
  "hex": "#b4378f",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 317.76,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54885,
    "c": 0.18521,
    "h": 341.9
  },
  "luminance": 0.14419
}

Semantic roles & 50–950 ramp

primary
#B4378F
secondary
#81C695
accent
#DD764B
background
#FDF7FA
surface
#FAEEF4
border
#D3C9CE
text
#140A10
muted
#837C7F

Preview Lab

Preview with #B4378F

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

Preview Lab → · Contrast checker → · Palette generator →

#B4378F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva