#B73D2C#B73D2C

#B73D2C is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.161 H 30.9°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B73D2C
RGB	rgb(183, 61, 44)
HSL	hsl(7, 61%, 45%)
HSV	hsv(7, 76%, 72%)
CMYK	cmyk(0%, 66.7%, 76%, 28.2%)
CIE-LAB	lab(43.64, 48.31, 37.09)
CIE-LCH	lch(43.64, 60.91, 37.52°)
OKLab	oklab(53.26% 0.138 0.0825)
OKLCH	oklch(53.26% 0.161 30.9)
XYZ	xyz(21.6542, 13.5898, 3.8652)
Luminance	0.1359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D2C #2CA6B7

analogous

#B72C61 #B73D2C #B7832C

triadic

#B73D2C #2CB73D #3D2CB7

tetradic

#B73D2C #61B72C #2CA6B7 #832CB7

square

#B73D2C #61B72C #2CA6B7 #832CB7

split-complementary

#B73D2C #2CB783 #2C61B7

monochromatic

#541C14 #862D20 #B73D2C #D45D4C #E08A7E

Accessibility & contrast

On white

5.65

#B73D2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B73D2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D2C

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D2C	#FFFFFF	#000000	##FFFFFF
##B73D2C	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605629

Deuteranopia (green-blind)

#7E7128

Tritanopia (blue-blind)

#C91A3A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d2c;
/* rgb */ color: rgb(183, 61, 44);
/* oklch */ color: oklch(53.3% 0.161 30.9);

Tailwind

colors: {
  custom: {
    50: '#d57966',
    500: '#b73d2c',
    950: '#000000',
  },
}

SCSS

$custom: #b73d2c;
$custom-light: #d57966;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d2c",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 44
  },
  "hsl": {
    "h": 7.338,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53259,
    "c": 0.16075,
    "h": 30.9
  },
  "luminance": 0.13587
}

Semantic roles & 50–950 ramp

primary

#B73D2C

secondary

#76BEC8

accent

#D1E443

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73D2C

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

Preview Lab → · Contrast checker → · Palette generator →