#B7372F#B7372F

#B7372F is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.166 H 27.8°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B7372F
RGB	rgb(183, 55, 47)
HSL	hsl(4, 59%, 45%)
HSV	hsv(4, 74%, 72%)
CMYK	cmyk(0%, 69.9%, 74.3%, 28.2%)
CIE-LAB	lab(42.78, 50.88, 34.45)
CIE-LCH	lch(42.78, 61.45, 34.10°)
OKLab	oklab(52.62% 0.1467 0.0775)
OKLCH	oklch(52.62% 0.166 27.8)
XYZ	xyz(21.4101, 13.0081, 4.0722)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7372F #2FAFB7

analogous

#B72F6B #B7372F #B77B2F

triadic

#B7372F #2FB737 #372FB7

tetradic

#B7372F #6BB72F #2FAFB7 #7B2FB7

square

#B7372F #6BB72F #2FAFB7 #7B2FB7

split-complementary

#B7372F #2FB77B #2F6BB7

monochromatic

#561A16 #862822 #B7372F #D25951 #DF8782

Accessibility & contrast

On white

5.83

#B7372F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B7372F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7372F

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7372F	#FFFFFF	#000000	##FFFFFF
##B7372F	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)

#5C532D

Deuteranopia (green-blind)

#7C6F2A

Tritanopia (blue-blind)

#C90936

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b7372f;
/* rgb */ color: rgb(183, 55, 47);
/* oklch */ color: oklch(52.6% 0.166 27.8);

Tailwind

colors: {
  custom: {
    50: '#d57668',
    500: '#b7372f',
    950: '#000000',
  },
}

SCSS

$custom: #b7372f;
$custom-light: #d57668;
$custom-dark: #000000;

JSON

{
  "hex": "#b7372f",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 47
  },
  "hsl": {
    "h": 3.529,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52623,
    "c": 0.16585,
    "h": 27.8
  },
  "luminance": 0.13005
}

Semantic roles & 50–950 ramp

primary

#B7372F

secondary

#7AC3C8

accent

#D9E245

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B7372F

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

Preview Lab → · Contrast checker → · Palette generator →