#BF3137#BF3137

#BF3137 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.5% C 0.178 H 23.6°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#BF3137
RGB	rgb(191, 49, 55)
HSL	hsl(357, 59%, 47%)
HSV	hsv(357, 74%, 75%)
CMYK	cmyk(0%, 74.3%, 71.2%, 25.1%)
CIE-LAB	lab(43.58, 55.99, 31.09)
CIE-LCH	lch(43.58, 64.05, 29.04°)
OKLab	oklab(53.53% 0.1635 0.0713)
OKLCH	oklch(53.53% 0.178 23.6)
XYZ	xyz(23.2764, 13.5524, 5.0039)
Luminance	0.1355 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BF3137 #31BFB9

analogous

#BF317E #BF3137 #BF7231

triadic

#BF3137 #37BF31 #3137BF

tetradic

#BF3137 #7EBF31 #31BFB9 #7231BF

square

#BF3137 #7EBF31 #31BFB9 #7231BF

split-complementary

#BF3137 #31BF72 #317EBF

monochromatic

#5E181B #8E2529 #BF3137 #D4595E #E18A8D

Accessibility & contrast

On white

5.66

#BF3137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#BF3137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BF3137

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BF3137	#FFFFFF	#000000	##FFFFFF
##BF3137	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5436

Deuteranopia (green-blind)

#7E7232

Tritanopia (blue-blind)

#D20035

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bf3137;
/* rgb */ color: rgb(191, 49, 55);
/* oklch */ color: oklch(53.5% 0.178 23.6);

Tailwind

colors: {
  custom: {
    50: '#db746e',
    500: '#bf3137',
    950: '#000000',
  },
}

SCSS

$custom: #bf3137;
$custom-light: #db746e;
$custom-dark: #000000;

JSON

{
  "hex": "#bf3137",
  "rgb": {
    "r": 191,
    "g": 49,
    "b": 55
  },
  "hsl": {
    "h": 357.465,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53533,
    "c": 0.17839,
    "h": 23.6
  },
  "luminance": 0.13549
}

Semantic roles & 50–950 ramp

primary

#BF3137

secondary

#81CBC8

accent

#E2DC45

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BF3137

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

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