#B72A33#B72A33

#B72A33 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.177 H 23.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B72A33
RGB	rgb(183, 42, 51)
HSL	hsl(356, 63%, 44%)
HSV	hsv(356, 77%, 72%)
CMYK	cmyk(0%, 77%, 72.1%, 28.2%)
CIE-LAB	lab(41.16, 55.68, 30.25)
CIE-LCH	lch(41.16, 63.36, 28.51°)
OKLab	oklab(51.44% 0.1627 0.0691)
OKLCH	oklch(51.44% 0.177 23)
XYZ	xyz(20.9564, 11.9655, 4.3375)
Luminance	0.1196 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A33 #2AB7AE

analogous

#B72A7A #B72A33 #B7682A

triadic

#B72A33 #33B72A #2A33B7

tetradic

#B72A33 #7AB72A #2AB7AE #682AB7

square

#B72A33 #7AB72A #2AB7AE #682AB7

split-complementary

#B72A33 #2AB768 #2A7AB7

monochromatic

#531317 #851F25 #B72A33 #D54952 #E17B81

Accessibility & contrast

On white

6.19

#B72A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B72A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A33

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A33	#FFFFFF	#000000	##FFFFFF
##B72A33	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E32

Deuteranopia (green-blind)

#786C2E

Tritanopia (blue-blind)

#C9002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a33;
/* rgb */ color: rgb(183, 42, 51);
/* oklch */ color: oklch(51.4% 0.177 23.0);

Tailwind

colors: {
  custom: {
    50: '#d5706b',
    500: '#b72a33',
    950: '#000000',
  },
}

SCSS

$custom: #b72a33;
$custom-light: #d5706b;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a33",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 51
  },
  "hsl": {
    "h": 356.17,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51436,
    "c": 0.17676,
    "h": 23
  },
  "luminance": 0.11962
}

Semantic roles & 50–950 ramp

primary

#B72A33

secondary

#74C9C3

accent

#E6DB42

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72A33

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

Preview Lab → · Contrast checker → · Palette generator →