#BF3537#BF3537

#BF3537 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.9% C 0.175 H 24.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#BF3537
RGB	rgb(191, 53, 55)
HSL	hsl(359, 57%, 48%)
HSV	hsv(359, 72%, 75%)
CMYK	cmyk(0%, 72.3%, 71.2%, 25.1%)
CIE-LAB	lab(44.09, 54.59, 31.69)
CIE-LCH	lch(44.09, 63.12, 30.14°)
OKLab	oklab(53.91% 0.1591 0.0726)
OKLCH	oklch(53.91% 0.175 24.5)
XYZ	xyz(23.4512, 13.9019, 5.0622)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BF3537 #35BFBD

analogous

#BF357C #BF3537 #BF7835

triadic

#BF3537 #37BF35 #3537BF

tetradic

#BF3537 #7CBF35 #35BFBD #7835BF

square

#BF3537 #7CBF35 #35BFBD #7835BF

split-complementary

#BF3537 #35BF78 #357CBF

monochromatic

#5F1A1B #8F2829 #BF3537 #D35F60 #E08F90

Accessibility & contrast

On white

5.56

#BF3537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BF3537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BF3537

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BF3537	#FFFFFF	#000000	##FFFFFF
##BF3537	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5536

Deuteranopia (green-blind)

#7F7332

Tritanopia (blue-blind)

#D20037

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bf3537;
/* rgb */ color: rgb(191, 53, 55);
/* oklch */ color: oklch(53.9% 0.175 24.5);

Tailwind

colors: {
  custom: {
    50: '#db766e',
    500: '#bf3537',
    950: '#000000',
  },
}

SCSS

$custom: #bf3537;
$custom-light: #db766e;
$custom-dark: #000000;

JSON

{
  "hex": "#bf3537",
  "rgb": {
    "r": 191,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.13,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53911,
    "c": 0.17485,
    "h": 24.5
  },
  "luminance": 0.13898
}

Semantic roles & 50–950 ramp

primary

#BF3537

secondary

#85CAC9

accent

#E0DE48

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BF3537

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

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