#B7372E#B7372E

#B7372E is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.166 H 28.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B7372E
RGB	rgb(183, 55, 46)
HSL	hsl(4, 60%, 45%)
HSV	hsv(4, 75%, 72%)
CMYK	cmyk(0%, 69.9%, 74.9%, 28.2%)
CIE-LAB	lab(42.76, 50.84, 35.01)
CIE-LCH	lch(42.76, 61.73, 34.55°)
OKLab	oklab(52.61% 0.1463 0.0784)
OKLCH	oklch(52.61% 0.166 28.2)
XYZ	xyz(21.3902, 13.0001, 3.9672)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7372E #2EAEB7

analogous

#B72E69 #B7372E #B77C2E

triadic

#B7372E #2EB737 #372EB7

tetradic

#B7372E #69B72E #2EAEB7 #7C2EB7

square

#B7372E #69B72E #2EAEB7 #7C2EB7

split-complementary

#B7372E #2EB77C #2E69B7

monochromatic

#551A15 #862822 #B7372E #D3584F #DF8680

Accessibility & contrast

On white

5.83

#B7372E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B7372E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7372E

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7372E	#FFFFFF	#000000	##FFFFFF
##B7372E	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532C

Deuteranopia (green-blind)

#7C6F29

Tritanopia (blue-blind)

#C90836

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b7372e;
/* rgb */ color: rgb(183, 55, 46);
/* oklch */ color: oklch(52.6% 0.166 28.2);

Tailwind

colors: {
  custom: {
    50: '#d57667',
    500: '#b7372e',
    950: '#000000',
  },
}

SCSS

$custom: #b7372e;
$custom-light: #d57667;
$custom-dark: #000000;

JSON

{
  "hex": "#b7372e",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 46
  },
  "hsl": {
    "h": 3.942,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5261,
    "c": 0.16601,
    "h": 28.2
  },
  "luminance": 0.12997
}

Semantic roles & 50–950 ramp

primary

#B7372E

secondary

#79C3C8

accent

#D9E345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B7372E

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

Preview Lab → · Contrast checker → · Palette generator →