#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
RGB	rgb(191, 63, 55)
HSL	hsl(4, 55%, 48%)
HSV	hsv(4, 71%, 75%)
CMYK	cmyk(0%, 67%, 71.2%, 25.1%)
CIE-LAB	lab(45.51, 50.70, 33.35)
CIE-LCH	lch(45.51, 60.68, 33.34°)
OKLab	oklab(54.97% 0.1468 0.0763)
OKLCH	oklch(54.97% 0.165 27.5)
XYZ	xyz(23.9555, 14.9107, 5.2303)
Luminance	0.1491 (WCAG relative)
Temperature	warm
Family	red

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
##BF3F37	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

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.

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