#BF3733#BF3733

#BF3733 is a mid, vivid red. Relative luminance 0.140; OKLCH L 54.1% C 0.174 H 26.5°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#BF3733
RGB	rgb(191, 55, 51)
HSL	hsl(2, 58%, 47%)
HSV	hsv(2, 73%, 75%)
CMYK	cmyk(0%, 71.2%, 73.3%, 25.1%)
CIE-LAB	lab(44.31, 53.67, 34.28)
CIE-LCH	lch(44.31, 63.68, 32.57°)
OKLab	oklab(54.05% 0.1553 0.0775)
OKLCH	oklch(54.05% 0.174 26.5)
XYZ	xyz(23.4522, 14.0513, 4.6086)
Luminance	0.1405 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BF3733 #33BBBF

analogous

#BF3375 #BF3733 #BF7D33

triadic

#BF3733 #33BF37 #3733BF

tetradic

#BF3733 #75BF33 #33BBBF #7D33BF

square

#BF3733 #75BF33 #33BBBF #7D33BF

split-complementary

#BF3733 #33BF7D #3375BF

monochromatic

#5E1B19 #8F2926 #BF3733 #D35F5C #E08E8C

Accessibility & contrast

On white

5.51

#BF3733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#BF3733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BF3733

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BF3733	#FFFFFF	#000000	##FFFFFF
##BF3733	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5631

Deuteranopia (green-blind)

#80742E

Tritanopia (blue-blind)

#D20038

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #bf3733;
/* rgb */ color: rgb(191, 55, 51);
/* oklch */ color: oklch(54.1% 0.174 26.5);

Tailwind

colors: {
  custom: {
    50: '#db776b',
    500: '#bf3733',
    950: '#000000',
  },
}

SCSS

$custom: #bf3733;
$custom-light: #db776b;
$custom-dark: #000000;

JSON

{
  "hex": "#bf3733",
  "rgb": {
    "r": 191,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.714,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54054,
    "c": 0.17355,
    "h": 26.5
  },
  "luminance": 0.14048
}

Semantic roles & 50–950 ramp

primary

#BF3733

secondary

#83C9CB

accent

#DDE147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BF3733

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

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