#B72D3A#B72D3A

#B72D3A is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.8% C 0.174 H 21.0°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B72D3A
RGB	rgb(183, 45, 58)
HSL	hsl(354, 61%, 45%)
HSV	hsv(354, 75%, 72%)
CMYK	cmyk(0%, 75.4%, 68.3%, 28.2%)
CIE-LAB	lab(41.62, 55.04, 26.55)
CIE-LCH	lch(41.62, 61.11, 25.75°)
OKLab	oklab(51.81% 0.1622 0.0621)
OKLCH	oklch(51.81% 0.174 21)
XYZ	xyz(21.2329, 12.2528, 5.2492)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72D3A #2DB7AA

analogous

#B72D7F #B72D3A #B7652D

triadic

#B72D3A #3AB72D #2D3AB7

tetradic

#B72D3A #7FB72D #2DB7AA #652DB7

square

#B72D3A #7FB72D #2DB7AA #652DB7

split-complementary

#B72D3A #2DB765 #2D7FB7

monochromatic

#55151B #86212A #B72D3A #D34E5A #DF7F88

Accessibility & contrast

On white

6.09

#B72D3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B72D3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D3A

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72D3A	#FFFFFF	#000000	##FFFFFF
##B72D3A	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F39

Deuteranopia (green-blind)

#786D36

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72d3a;
/* rgb */ color: rgb(183, 45, 58);
/* oklch */ color: oklch(51.8% 0.174 21.0);

Tailwind

colors: {
  custom: {
    50: '#d57270',
    500: '#b72d3a',
    950: '#000000',
  },
}

SCSS

$custom: #b72d3a;
$custom-light: #d57270;
$custom-dark: #000000;

JSON

{
  "hex": "#b72d3a",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 58
  },
  "hsl": {
    "h": 354.348,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51807,
    "c": 0.17368,
    "h": 21
  },
  "luminance": 0.1225
}

Semantic roles & 50–950 ramp

primary

#B72D3A

secondary

#78C8C1

accent

#E4D544

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B72D3A

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

Preview Lab → · Contrast checker → · Palette generator →