#B7372C#B7372C

#B7372C is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.166 H 28.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B7372C
RGB	rgb(183, 55, 44)
HSL	hsl(5, 61%, 45%)
HSV	hsv(5, 76%, 72%)
CMYK	cmyk(0%, 69.9%, 76%, 28.2%)
CIE-LAB	lab(42.74, 50.76, 36.12)
CIE-LCH	lch(42.74, 62.30, 35.44°)
OKLab	oklab(52.59% 0.1456 0.0804)
OKLCH	oklch(52.59% 0.166 28.9)
XYZ	xyz(21.3517, 12.9847, 3.7644)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7372C #2CACB7

analogous

#B72C67 #B7372C #B77C2C

triadic

#B7372C #2CB737 #372CB7

tetradic

#B7372C #67B72C #2CACB7 #7C2CB7

square

#B7372C #67B72C #2CACB7 #7C2CB7

split-complementary

#B7372C #2CB77C #2C67B7

monochromatic

#541914 #862820 #B7372C #D4574C #E0857E

Accessibility & contrast

On white

5.84

#B7372C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B7372C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7372C

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7372C	#FFFFFF	#000000	##FFFFFF
##B7372C	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532A

Deuteranopia (green-blind)

#7C6F27

Tritanopia (blue-blind)

#C90736

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b7372c;
/* rgb */ color: rgb(183, 55, 44);
/* oklch */ color: oklch(52.6% 0.166 28.9);

Tailwind

colors: {
  custom: {
    50: '#d57666',
    500: '#b7372c',
    950: '#000000',
  },
}

SCSS

$custom: #b7372c;
$custom-light: #d57666;
$custom-dark: #000000;

JSON

{
  "hex": "#b7372c",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 44
  },
  "hsl": {
    "h": 4.748,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52585,
    "c": 0.16633,
    "h": 28.9
  },
  "luminance": 0.12982
}

Semantic roles & 50–950 ramp

primary

#B7372C

secondary

#76C2C8

accent

#D8E443

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B7372C

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

Preview Lab → · Contrast checker → · Palette generator →