#B7373C#B7373C

#B7373C is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.164 H 22.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B7373C
RGB	rgb(183, 55, 60)
HSL	hsl(358, 54%, 47%)
HSV	hsv(358, 70%, 72%)
CMYK	cmyk(0%, 69.9%, 67.2%, 28.2%)
CIE-LAB	lab(42.96, 51.53, 26.99)
CIE-LCH	lch(42.96, 58.17, 27.64°)
OKLab	oklab(52.82% 0.1514 0.0634)
OKLCH	oklch(52.82% 0.164 22.7)
XYZ	xyz(21.7125, 13.1291, 5.6650)
Luminance	0.1313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7373C #37B7B2

analogous

#B7377C #B7373C #B77237

triadic

#B7373C #3CB737 #373CB7

tetradic

#B7373C #7CB737 #37B7B2 #7237B7

square

#B7373C #7CB737 #37B7B2 #7237B7

split-complementary

#B7373C #37B772 #377CB7

monochromatic

#591B1D #88292D #B7373C #CE5D61 #DC8C8F

Accessibility & contrast

On white

5.79

#B7373C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B7373C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7373C

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7373C	#FFFFFF	#000000	##FFFFFF
##B7373C	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543B

Deuteranopia (green-blind)

#7B6F38

Tritanopia (blue-blind)

#C9103A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b7373c;
/* rgb */ color: rgb(183, 55, 60);
/* oklch */ color: oklch(52.8% 0.164 22.7);

Tailwind

colors: {
  custom: {
    50: '#d47671',
    500: '#b7373c',
    950: '#000000',
  },
}

SCSS

$custom: #b7373c;
$custom-light: #d47671;
$custom-dark: #000000;

JSON

{
  "hex": "#b7373c",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 60
  },
  "hsl": {
    "h": 357.656,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52817,
    "c": 0.16415,
    "h": 22.7
  },
  "luminance": 0.13126
}

Semantic roles & 50–950 ramp

primary

#B7373C

secondary

#83C7C4

accent

#DDD74B

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B7373C

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

Preview Lab → · Contrast checker → · Palette generator →