#BF3B37#BF3B37

#BF3B37 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.5% C 0.169 H 26.2°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#BF3B37
RGB	rgb(191, 59, 55)
HSL	hsl(2, 55%, 48%)
HSV	hsv(2, 71%, 75%)
CMYK	cmyk(0%, 69.1%, 71.2%, 25.1%)
CIE-LAB	lab(44.92, 52.31, 32.66)
CIE-LCH	lch(44.92, 61.67, 31.98°)
OKLab	oklab(54.53% 0.1519 0.0748)
OKLCH	oklch(54.53% 0.169 26.2)
XYZ	xyz(23.7420, 14.4836, 5.1592)
Luminance	0.1448 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BF3B37 #37BBBF

analogous

#BF3777 #BF3B37 #BF7F37

triadic

#BF3B37 #37BF3B #3B37BF

tetradic

#BF3B37 #77BF37 #37BBBF #7F37BF

square

#BF3B37 #77BF37 #37BBBF #7F37BF

split-complementary

#BF3B37 #37BF7F #3777BF

monochromatic

#601E1C #8F2C29 #BF3B37 #D26562 #DF9391

Accessibility & contrast

On white

5.39

#BF3B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#BF3B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BF3B37

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BF3B37	#FFFFFF	#000000	##FFFFFF
##BF3B37	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605835

Deuteranopia (green-blind)

#817533

Tritanopia (blue-blind)

#D2113B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bf3b37;
/* rgb */ color: rgb(191, 59, 55);
/* oklch */ color: oklch(54.5% 0.169 26.2);

Tailwind

colors: {
  custom: {
    50: '#da796e',
    500: '#bf3b37',
    950: '#000000',
  },
}

SCSS

$custom: #bf3b37;
$custom-light: #da796e;
$custom-dark: #000000;

JSON

{
  "hex": "#bf3b37",
  "rgb": {
    "r": 191,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.765,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54529,
    "c": 0.16926,
    "h": 26.2
  },
  "luminance": 0.1448
}

Semantic roles & 50–950 ramp

primary

#BF3B37

secondary

#88C8CA

accent

#DADF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BF3B37

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

Preview Lab → · Contrast checker → · Palette generator →