#B1374A#B1374A

#B1374A is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.157 H 15.6°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#B1374A
RGBrgb(177, 55, 74)
HSLhsl(351, 53%, 45%)
HSVhsv(351, 69%, 69%)
CMYKcmyk(0%, 68.9%, 58.2%, 30.6%)
CIE-LABlab(42.12, 50.49, 17.10)
CIE-LCHlch(42.12, 53.30, 18.71°)
OKLaboklab(52.07% 0.1515 0.0422)
OKLCHoklch(52.07% 0.157 15.6)
XYZxyz(20.7356, 12.5768, 7.8129)
Luminance0.1257 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1374A #37B19E
analogous
#B13787 #B1374A #B16137
triadic
#B1374A #4AB137 #374AB1
tetradic
#B1374A #87B137 #37B19E #6137B1
square
#B1374A #87B137 #37B19E #6137B1
split-complementary
#B1374A #37B161 #3787B1
monochromatic
#541A23 #822836 #B1374A #CC5A6B #DA8895

Accessibility & contrast

On white

5.97
#B1374A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#B1374A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1374A
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1374A#FFFFFF#000000##FFFFFF
##B1374A1.005.973.515.97
#FFFFFF5.971.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56534A
Deuteranopia (green-blind)
#756D47
Tritanopia (blue-blind)
#C21B3F
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b1374a;
/* rgb */ color: rgb(177, 55, 74);
/* oklch */ color: oklch(52.1% 0.157 15.6);
Tailwind
colors: {
  custom: {
    50: '#cf767c',
    500: '#b1374a',
    950: '#000000',
  },
}
SCSS
$custom: #b1374a;
$custom-light: #cf767c;
$custom-dark: #000000;
JSON
{
  "hex": "#b1374a",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 74
  },
  "hsl": {
    "h": 350.656,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52071,
    "c": 0.15729,
    "h": 15.6
  },
  "luminance": 0.12574
}

Semantic roles & 50–950 ramp

primary
#B1374A
secondary
#80C4B9
accent
#DCC64C
background
#FDF7F7
surface
#FBEDEE
border
#D4C8C9
text
#150909
muted
#837B7B

Preview Lab

Preview with #B1374A

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

Preview Lab → · Contrast checker → · Palette generator →

#B1374A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva