#B73532#B73532

#B73532 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.167 H 26.1°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B73532
RGB	rgb(183, 53, 50)
HSL	hsl(1, 57%, 46%)
HSV	hsv(1, 73%, 72%)
CMYK	cmyk(0%, 71%, 72.7%, 28.2%)
CIE-LAB	lab(42.53, 51.79, 32.44)
CIE-LCH	lch(42.53, 61.11, 32.06°)
OKLab	oklab(52.45% 0.1501 0.0737)
OKLCH	oklch(52.45% 0.167 26.1)
XYZ	xyz(21.3797, 12.8470, 4.3710)
Luminance	0.1284 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73532 #32B4B7

analogous

#B73272 #B73532 #B77732

triadic

#B73532 #32B735 #3532B7

tetradic

#B73532 #72B732 #32B4B7 #7732B7

square

#B73532 #72B732 #32B4B7 #7732B7

split-complementary

#B73532 #32B777 #3272B7

monochromatic

#571918 #872725 #B73532 #D15856 #DE8886

Accessibility & contrast

On white

5.88

#B73532 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B73532 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73532

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73532	#FFFFFF	#000000	##FFFFFF
##B73532	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5230

Deuteranopia (green-blind)

#7B6F2E

Tritanopia (blue-blind)

#C90236

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73532;
/* rgb */ color: rgb(183, 53, 50);
/* oklch */ color: oklch(52.5% 0.167 26.1);

Tailwind

colors: {
  custom: {
    50: '#d5756a',
    500: '#b73532',
    950: '#000000',
  },
}

SCSS

$custom: #b73532;
$custom-light: #d5756a;
$custom-dark: #000000;

JSON

{
  "hex": "#b73532",
  "rgb": {
    "r": 183,
    "g": 53,
    "b": 50
  },
  "hsl": {
    "h": 1.353,
    "s": 57.082,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52453,
    "c": 0.16726,
    "h": 26.1
  },
  "luminance": 0.12844
}

Semantic roles & 50–950 ramp

primary

#B73532

secondary

#7DC6C7

accent

#DDE047

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73532

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

Preview Lab → · Contrast checker → · Palette generator →