#B3374C#B3374C

#B3374C is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.159 H 14.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#B3374C
RGBrgb(179, 55, 76)
HSLhsl(350, 53%, 46%)
HSVhsv(350, 69%, 70%)
CMYKcmyk(0%, 69.3%, 57.5%, 29.8%)
CIE-LABlab(42.52, 51.28, 16.46)
CIE-LCHlch(42.52, 53.85, 17.80°)
OKLaboklab(52.45% 0.1541 0.0408)
OKLCHoklch(52.45% 0.159 14.8)
XYZxyz(21.2631, 12.8408, 8.1949)
Luminance0.1284 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3374C #37B39E
analogous
#B3378A #B3374C #B36037
triadic
#B3374C #4CB337 #374CB3
tetradic
#B3374C #8AB337 #37B39E #6037B3
square
#B3374C #8AB337 #37B39E #6037B3
split-complementary
#B3374C #37B360 #378AB3
monochromatic
#551A24 #842938 #B3374C #CD5B6E #DB8A97

Accessibility & contrast

On white

5.89
#B3374C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.57
#B3374C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3374C
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3374C#FFFFFF#000000##FFFFFF
##B3374C1.005.893.575.89
#FFFFFF5.891.0021.001.00
#0000003.5721.001.0021.00
##FFFFFF5.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56544C
Deuteranopia (green-blind)
#766E49
Tritanopia (blue-blind)
#C41B40
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #b3374c;
/* rgb */ color: rgb(179, 55, 76);
/* oklch */ color: oklch(52.5% 0.159 14.8);
Tailwind
colors: {
  custom: {
    50: '#d0767d',
    500: '#b3374c',
    950: '#000000',
  },
}
SCSS
$custom: #b3374c;
$custom-light: #d0767d;
$custom-dark: #000000;
JSON
{
  "hex": "#b3374c",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 76
  },
  "hsl": {
    "h": 349.839,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52453,
    "c": 0.15943,
    "h": 14.8
  },
  "luminance": 0.12838
}

Semantic roles & 50–950 ramp

primary
#B3374C
secondary
#81C5B9
accent
#DCC44B
background
#FDF7F7
surface
#FBEDEE
border
#D4C8C9
text
#150909
muted
#837B7B

Preview Lab

Preview with #B3374C

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

Preview Lab → · Contrast checker → · Palette generator →

#B3374C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva