#B73D36#B73D36

#B73D36 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.159 H 27.1°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B73D36
RGB	rgb(183, 61, 54)
HSL	hsl(3, 54%, 46%)
HSV	hsv(3, 70%, 72%)
CMYK	cmyk(0%, 66.7%, 70.5%, 28.2%)
CIE-LAB	lab(43.76, 48.77, 31.53)
CIE-LCH	lch(43.76, 58.07, 32.88°)
OKLab	oklab(53.39% 0.1415 0.0725)
OKLCH	oklch(53.39% 0.159 27.1)
XYZ	xyz(21.8654, 13.6742, 4.9774)
Luminance	0.1367 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D36 #36B0B7

analogous

#B73670 #B73D36 #B77E36

triadic

#B73D36 #36B73D #3D36B7

tetradic

#B73D36 #70B736 #36B0B7 #7E36B7

square

#B73D36 #70B736 #36B0B7 #7E36B7

split-complementary

#B73D36 #36B77E #3670B7

monochromatic

#581D1A #882D28 #B73D36 #CF625B #DD8F8B

Accessibility & contrast

On white

5.62

#B73D36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B73D36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D36

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D36	#FFFFFF	#000000	##FFFFFF
##B73D36	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5734

Deuteranopia (green-blind)

#7D7132

Tritanopia (blue-blind)

#C91C3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d36;
/* rgb */ color: rgb(183, 61, 54);
/* oklch */ color: oklch(53.4% 0.159 27.1);

Tailwind

colors: {
  custom: {
    50: '#d4796d',
    500: '#b73d36',
    950: '#000000',
  },
}

SCSS

$custom: #b73d36;
$custom-light: #d4796d;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d36",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 54
  },
  "hsl": {
    "h": 3.256,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53391,
    "c": 0.15896,
    "h": 27.1
  },
  "luminance": 0.13671
}

Semantic roles & 50–950 ramp

primary

#B73D36

secondary

#82C3C7

accent

#D6DE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73D36

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

Preview Lab → · Contrast checker → · Palette generator →