#B72A31#B72A31

#B72A31 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.4% C 0.177 H 23.8°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B72A31
RGB	rgb(183, 42, 49)
HSL	hsl(357, 63%, 44%)
HSV	hsv(357, 77%, 72%)
CMYK	cmyk(0%, 77%, 73.2%, 28.2%)
CIE-LAB	lab(41.13, 55.59, 31.42)
CIE-LCH	lch(41.13, 63.85, 29.47°)
OKLab	oklab(51.41% 0.162 0.0713)
OKLCH	oklch(51.41% 0.177 23.8)
XYZ	xyz(20.9132, 11.9482, 4.1102)
Luminance	0.1195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A31 #2AB7B0

analogous

#B72A78 #B72A31 #B76A2A

triadic

#B72A31 #31B72A #2A31B7

tetradic

#B72A31 #78B72A #2AB7B0 #6A2AB7

square

#B72A31 #78B72A #2AB7B0 #6A2AB7

split-complementary

#B72A31 #2AB76A #2A78B7

monochromatic

#531316 #851F24 #B72A31 #D54950 #E17B80

Accessibility & contrast

On white

6.20

#B72A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B72A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A31

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A31	#FFFFFF	#000000	##FFFFFF
##B72A31	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E30

Deuteranopia (green-blind)

#786C2C

Tritanopia (blue-blind)

#C9002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a31;
/* rgb */ color: rgb(183, 42, 49);
/* oklch */ color: oklch(51.4% 0.177 23.8);

Tailwind

colors: {
  custom: {
    50: '#d57069',
    500: '#b72a31',
    950: '#000000',
  },
}

SCSS

$custom: #b72a31;
$custom-light: #d57069;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a31",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 49
  },
  "hsl": {
    "h": 357.021,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51407,
    "c": 0.17694,
    "h": 23.8
  },
  "luminance": 0.11945
}

Semantic roles & 50–950 ramp

primary

#B72A31

secondary

#74C9C5

accent

#E6DE42

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72A31

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

Preview Lab → · Contrast checker → · Palette generator →