#BF3F37#BF3F37

#BF3F37 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.0% C 0.165 H 27.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX#BF3F37
RGBrgb(191, 63, 55)
HSLhsl(4, 55%, 48%)
HSVhsv(4, 71%, 75%)
CMYKcmyk(0%, 67%, 71.2%, 25.1%)
CIE-LABlab(45.51, 50.70, 33.35)
CIE-LCHlch(45.51, 60.68, 33.34°)
OKLaboklab(54.97% 0.1468 0.0763)
OKLCHoklch(54.97% 0.165 27.5)
XYZxyz(23.9555, 14.9107, 5.2303)
Luminance0.1491 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BF3F37 #37B7BF
analogous
#BF3773 #BF3F37 #BF8337
triadic
#BF3F37 #37BF3F #3F37BF
tetradic
#BF3F37 #73BF37 #37B7BF #8337BF
square
#BF3F37 #73BF37 #37B7BF #8337BF
split-complementary
#BF3F37 #37BF83 #3773BF
monochromatic
#60201C #8F2F29 #BF3F37 #D26862 #DF9691

Accessibility & contrast

On white

5.27
#BF3F37 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.98
#BF3F37 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BF3F37
5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BF3F37#FFFFFF#000000##FFFFFF
##BF3F371.005.273.985.27
#FFFFFF5.271.0021.001.00
#0000003.9821.001.0021.00
##FFFFFF5.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635A35
Deuteranopia (green-blind)
#837633
Tritanopia (blue-blind)
#D21B3E
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #bf3f37;
/* rgb */ color: rgb(191, 63, 55);
/* oklch */ color: oklch(55.0% 0.165 27.5);
Tailwind
colors: {
  custom: {
    50: '#da7b6e',
    500: '#bf3f37',
    950: '#000000',
  },
}
SCSS
$custom: #bf3f37;
$custom-light: #da7b6e;
$custom-dark: #000000;
JSON
{
  "hex": "#bf3f37",
  "rgb": {
    "r": 191,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 3.529,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54973,
    "c": 0.16541,
    "h": 27.5
  },
  "luminance": 0.14907
}

Semantic roles & 50–950 ramp

primary
#BF3F37
secondary
#88C6CA
accent
#D6DF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#160A07
muted
#847C7A

Preview Lab

Preview with #BF3F37

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

Preview Lab → · Contrast checker → · Palette generator →

#BF3F37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva