#BF3739#BF3739

#BF3739 is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.1% C 0.173 H 24.3°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#BF3739
RGB	rgb(191, 55, 57)
HSL	hsl(359, 55%, 48%)
HSV	hsv(359, 71%, 75%)
CMYK	cmyk(0%, 71.2%, 70.2%, 25.1%)
CIE-LAB	lab(44.39, 53.95, 30.86)
CIE-LCH	lch(44.39, 62.15, 29.77°)
OKLab	oklab(54.14% 0.1574 0.0712)
OKLCH	oklch(54.14% 0.173 24.3)
XYZ	xyz(23.5932, 14.1077, 5.3508)
Luminance	0.1410 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BF3739 #37BFBD

analogous

#BF377D #BF3739 #BF7937

triadic

#BF3739 #39BF37 #3739BF

tetradic

#BF3739 #7DBF37 #37BFBD #7937BF

square

#BF3739 #7DBF37 #37BFBD #7937BF

split-complementary

#BF3739 #37BF79 #377DBF

monochromatic

#601C1D #8F292B #BF3739 #D26263 #DF9192

Accessibility & contrast

On white

5.50

#BF3739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#BF3739 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BF3739

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BF3739	#FFFFFF	#000000	##FFFFFF
##BF3739	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5638

Deuteranopia (green-blind)

#807435

Tritanopia (blue-blind)

#D20239

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #bf3739;
/* rgb */ color: rgb(191, 55, 57);
/* oklch */ color: oklch(54.1% 0.173 24.3);

Tailwind

colors: {
  custom: {
    50: '#da776f',
    500: '#bf3739',
    950: '#000000',
  },
}

SCSS

$custom: #bf3739;
$custom-light: #da776f;
$custom-dark: #000000;

JSON

{
  "hex": "#bf3739",
  "rgb": {
    "r": 191,
    "g": 55,
    "b": 57
  },
  "hsl": {
    "h": 359.118,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5414,
    "c": 0.17277,
    "h": 24.3
  },
  "luminance": 0.14104
}

Semantic roles & 50–950 ramp

primary

#BF3739

secondary

#88CAC9

accent

#DFDC49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BF3739

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

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