#B73132#B73132

#B73132 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.171 H 25.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B73132
RGB	rgb(183, 49, 50)
HSL	hsl(360, 58%, 45%)
HSV	hsv(360, 73%, 72%)
CMYK	cmyk(0%, 73.2%, 72.7%, 28.2%)
CIE-LAB	lab(42.00, 53.27, 31.82)
CIE-LCH	lch(42.00, 62.05, 30.85°)
OKLab	oklab(52.05% 0.1548 0.0724)
OKLCH	oklch(52.05% 0.171 25.1)
XYZ	xyz(21.2049, 12.4974, 4.3127)
Luminance	0.1249 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73132 #31B7B6

analogous

#B73175 #B73132 #B77331

triadic

#B73132 #32B731 #3132B7

tetradic

#B73132 #75B731 #31B7B6 #7331B7

square

#B73132 #75B731 #31B7B6 #7331B7

split-complementary

#B73132 #31B773 #3175B7

monochromatic

#561718 #872425 #B73132 #D15455 #DE8485

Accessibility & contrast

On white

6.00

#B73132 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B73132 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73132

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73132	#FFFFFF	#000000	##FFFFFF
##B73132	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585131

Deuteranopia (green-blind)

#7A6E2D

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73132;
/* rgb */ color: rgb(183, 49, 50);
/* oklch */ color: oklch(52.1% 0.171 25.1);

Tailwind

colors: {
  custom: {
    50: '#d5736a',
    500: '#b73132',
    950: '#000000',
  },
}

SCSS

$custom: #b73132;
$custom-light: #d5736a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73132",
  "rgb": {
    "r": 183,
    "g": 49,
    "b": 50
  },
  "hsl": {
    "h": 359.552,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52053,
    "c": 0.17089,
    "h": 25.1
  },
  "luminance": 0.12494
}

Semantic roles & 50–950 ramp

primary

#B73132

secondary

#7CC8C7

accent

#E1E047

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73132

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

Preview Lab → · Contrast checker → · Palette generator →