#BF3837#BF3837

#BF3837 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.2% C 0.172 H 25.3°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#BF3837
RGB	rgb(191, 56, 55)
HSL	hsl(0, 55%, 48%)
HSV	hsv(0, 71%, 75%)
CMYK	cmyk(0%, 70.7%, 71.2%, 25.1%)
CIE-LAB	lab(44.50, 53.47, 32.17)
CIE-LCH	lch(44.50, 62.40, 31.03°)
OKLab	oklab(54.21% 0.1555 0.0737)
OKLCH	oklch(54.21% 0.172 25.3)
XYZ	xyz(23.5922, 14.1841, 5.1092)
Luminance	0.1418 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BF3837 #37BEBF

analogous

#BF377A #BF3837 #BF7C37

triadic

#BF3837 #37BF38 #3837BF

tetradic

#BF3837 #7ABF37 #37BEBF #7C37BF

square

#BF3837 #7ABF37 #37BEBF #7C37BF

split-complementary

#BF3837 #37BF7C #377ABF

monochromatic

#601C1C #8F2A29 #BF3837 #D26262 #DF9291

Accessibility & contrast

On white

5.47

#BF3837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#BF3837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BF3837

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BF3837	#FFFFFF	#000000	##FFFFFF
##BF3837	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5736

Deuteranopia (green-blind)

#807433

Tritanopia (blue-blind)

#D20539

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #bf3837;
/* rgb */ color: rgb(191, 56, 55);
/* oklch */ color: oklch(54.2% 0.172 25.3);

Tailwind

colors: {
  custom: {
    50: '#da786e',
    500: '#bf3837',
    950: '#000000',
  },
}

SCSS

$custom: #bf3837;
$custom-light: #da786e;
$custom-dark: #000000;

JSON

{
  "hex": "#bf3837",
  "rgb": {
    "r": 191,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.441,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54212,
    "c": 0.17209,
    "h": 25.3
  },
  "luminance": 0.14181
}

Semantic roles & 50–950 ramp

primary

#BF3837

secondary

#88CACA

accent

#DEDF49

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BF3837

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

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