#B72A36#B72A36

#B72A36 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.177 H 21.9°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B72A36
RGB	rgb(183, 42, 54)
HSL	hsl(355, 63%, 44%)
HSV	hsv(355, 77%, 72%)
CMYK	cmyk(0%, 77%, 70.5%, 28.2%)
CIE-LAB	lab(41.20, 55.82, 28.49)
CIE-LCH	lch(41.20, 62.67, 27.04°)
OKLab	oklab(51.48% 0.1638 0.0658)
OKLCH	oklch(51.48% 0.177 21.9)
XYZ	xyz(21.0246, 11.9928, 4.6971)
Luminance	0.1199 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A36 #2AB7AB

analogous

#B72A7D #B72A36 #B7652A

triadic

#B72A36 #36B72A #2A36B7

tetradic

#B72A36 #7DB72A #2AB7AB #652AB7

square

#B72A36 #7DB72A #2AB7AB #652AB7

split-complementary

#B72A36 #2AB765 #2A7DB7

monochromatic

#531319 #851F27 #B72A36 #D54955 #E17B83

Accessibility & contrast

On white

6.18

#B72A36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72A36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A36

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A36	#FFFFFF	#000000	##FFFFFF
##B72A36	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E35

Deuteranopia (green-blind)

#776C31

Tritanopia (blue-blind)

#C90030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a36;
/* rgb */ color: rgb(183, 42, 54);
/* oklch */ color: oklch(51.5% 0.177 21.9);

Tailwind

colors: {
  custom: {
    50: '#d5706d',
    500: '#b72a36',
    950: '#000000',
  },
}

SCSS

$custom: #b72a36;
$custom-light: #d5706d;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a36",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 54
  },
  "hsl": {
    "h": 354.894,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51482,
    "c": 0.17651,
    "h": 21.9
  },
  "luminance": 0.1199
}

Semantic roles & 50–950 ramp

primary

#B72A36

secondary

#74C9C2

accent

#E6D842

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72A36

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

Preview Lab → · Contrast checker → · Palette generator →