#B73D28#B73D28

#B73D28 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.162 H 32.2°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B73D28
RGB	rgb(183, 61, 40)
HSL	hsl(9, 64%, 44%)
HSV	hsv(9, 78%, 72%)
CMYK	cmyk(0%, 66.7%, 78.1%, 28.2%)
CIE-LAB	lab(43.60, 48.16, 39.23)
CIE-LCH	lch(43.60, 62.12, 39.17°)
OKLab	oklab(53.21% 0.1367 0.086)
OKLCH	oklch(53.21% 0.162 32.2)
XYZ	xyz(21.5826, 13.5611, 3.4882)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D28 #28A2B7

analogous

#B7285A #B73D28 #B78428

triadic

#B73D28 #28B73D #3D28B7

tetradic

#B73D28 #5AB728 #28A2B7 #8428B7

square

#B73D28 #5AB728 #28A2B7 #8428B7

split-complementary

#B73D28 #28B784 #285AB7

monochromatic

#531C12 #852C1D #B73D28 #D65B46 #E18778

Accessibility & contrast

On white

5.66

#B73D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B73D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D28

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D28	#FFFFFF	#000000	##FFFFFF
##B73D28	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605625

Deuteranopia (green-blind)

#7E7123

Tritanopia (blue-blind)

#C91939

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d28;
/* rgb */ color: rgb(183, 61, 40);
/* oklch */ color: oklch(53.2% 0.162 32.2);

Tailwind

colors: {
  custom: {
    50: '#d57963',
    500: '#b73d28',
    950: '#000000',
  },
}

SCSS

$custom: #b73d28;
$custom-light: #d57963;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d28",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 8.811,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53214,
    "c": 0.16152,
    "h": 32.2
  },
  "luminance": 0.13558
}

Semantic roles & 50–950 ramp

primary

#B73D28

secondary

#72BCC9

accent

#CFE741

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73D28

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

Preview Lab → · Contrast checker → · Palette generator →