#B73F32#B73F32

#B73F32 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.6% C 0.158 H 29.4°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B73F32
RGB	rgb(183, 63, 50)
HSL	hsl(6, 57%, 46%)
HSV	hsv(6, 73%, 72%)
CMYK	cmyk(0%, 65.6%, 72.7%, 28.2%)
CIE-LAB	lab(44.03, 47.72, 34.14)
CIE-LCH	lch(44.03, 58.68, 35.58°)
OKLab	oklab(53.57% 0.1374 0.0774)
OKLCH	oklch(53.57% 0.158 29.4)
XYZ	xyz(21.8840, 13.8557, 4.5391)
Luminance	0.1385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73F32 #32AAB7

analogous

#B73267 #B73F32 #B78232

triadic

#B73F32 #32B73F #3F32B7

tetradic

#B73F32 #67B732 #32AAB7 #8232B7

square

#B73F32 #67B732 #32AAB7 #8232B7

split-complementary

#B73F32 #32B782 #3267B7

monochromatic

#571E18 #872E25 #B73F32 #D16256 #DE8E86

Accessibility & contrast

On white

5.57

#B73F32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B73F32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F32

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73F32	#FFFFFF	#000000	##FFFFFF
##B73F32	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605830

Deuteranopia (green-blind)

#7E722E

Tritanopia (blue-blind)

#C91F3D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73f32;
/* rgb */ color: rgb(183, 63, 50);
/* oklch */ color: oklch(53.6% 0.158 29.4);

Tailwind

colors: {
  custom: {
    50: '#d47a6a',
    500: '#b73f32',
    950: '#000000',
  },
}

SCSS

$custom: #b73f32;
$custom-light: #d47a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73f32",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 50
  },
  "hsl": {
    "h": 5.865,
    "s": 57.082,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53571,
    "c": 0.15768,
    "h": 29.4
  },
  "luminance": 0.13853
}

Semantic roles & 50–950 ramp

primary

#B73F32

secondary

#7DC0C7

accent

#D1E047

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B73F32

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

Preview Lab → · Contrast checker → · Palette generator →