#BF3937#BF3937

#BF3937 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.3% C 0.171 H 25.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX#BF3937
RGBrgb(191, 57, 55)
HSLhsl(1, 55%, 48%)
HSVhsv(1, 71%, 75%)
CMYKcmyk(0%, 70.2%, 71.2%, 25.1%)
CIE-LABlab(44.63, 53.09, 32.33)
CIE-LCHlch(44.63, 62.16, 31.34°)
OKLaboklab(54.32% 0.1543 0.074)
OKLCHoklch(54.32% 0.171 25.6)
XYZxyz(23.6412, 14.2820, 5.1255)
Luminance0.1428 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BF3937 #37BDBF
analogous
#BF3779 #BF3937 #BF7D37
triadic
#BF3937 #37BF39 #3937BF
tetradic
#BF3937 #79BF37 #37BDBF #7D37BF
square
#BF3937 #79BF37 #37BDBF #7D37BF
split-complementary
#BF3937 #37BF7D #3779BF
monochromatic
#601D1C #8F2B29 #BF3937 #D26362 #DF9291

Accessibility & contrast

On white

5.45
#BF3937 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#BF3937 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BF3937
5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BF3937#FFFFFF#000000##FFFFFF
##BF39371.005.453.865.45
#FFFFFF5.451.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5735
Deuteranopia (green-blind)
#817433
Tritanopia (blue-blind)
#D2093A
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #bf3937;
/* rgb */ color: rgb(191, 57, 55);
/* oklch */ color: oklch(54.3% 0.171 25.6);
Tailwind
colors: {
  custom: {
    50: '#da786e',
    500: '#bf3937',
    950: '#000000',
  },
}
SCSS
$custom: #bf3937;
$custom-light: #da786e;
$custom-dark: #000000;
JSON
{
  "hex": "#bf3937",
  "rgb": {
    "r": 191,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.882,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54316,
    "c": 0.17116,
    "h": 25.6
  },
  "luminance": 0.14278
}

Semantic roles & 50–950 ramp

primary
#BF3937
secondary
#88C9CA
accent
#DCDF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#160907
muted
#847B7A

Preview Lab

Preview with #BF3937

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

Preview Lab → · Contrast checker → · Palette generator →

#BF3937 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva