#B72D2A#B72D2A

#B72D2A is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.175 H 26.8°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B72D2A
RGB	rgb(183, 45, 42)
HSL	hsl(1, 63%, 44%)
HSV	hsv(1, 77%, 72%)
CMYK	cmyk(0%, 75.4%, 77%, 28.2%)
CIE-LAB	lab(41.40, 54.33, 35.81)
CIE-LCH	lch(41.40, 65.06, 33.39°)
OKLab	oklab(51.58% 0.1564 0.0791)
OKLCH	oklch(51.58% 0.175 26.8)
XYZ	xyz(20.8872, 12.1145, 3.4286)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72D2A #2AB4B7

analogous

#B72A6D #B72D2A #B7742A

triadic

#B72D2A #2AB72D #2D2AB7

tetradic

#B72D2A #6DB72A #2AB4B7 #742AB7

square

#B72D2A #6DB72A #2AB4B7 #742AB7

split-complementary

#B72D2A #2AB774 #2A6DB7

monochromatic

#531513 #85211F #B72D2A #D54C49 #E17D7B

Accessibility & contrast

On white

6.14

#B72D2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B72D2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D2A

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72D2A	#FFFFFF	#000000	##FFFFFF
##B72D2A	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E28

Deuteranopia (green-blind)

#796C24

Tritanopia (blue-blind)

#CA002E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72d2a;
/* rgb */ color: rgb(183, 45, 42);
/* oklch */ color: oklch(51.6% 0.175 26.8);

Tailwind

colors: {
  custom: {
    50: '#d67164',
    500: '#b72d2a',
    950: '#000000',
  },
}

SCSS

$custom: #b72d2a;
$custom-light: #d67164;
$custom-dark: #000000;

JSON

{
  "hex": "#b72d2a",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 42
  },
  "hsl": {
    "h": 1.277,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51575,
    "c": 0.1753,
    "h": 26.8
  },
  "luminance": 0.12111
}

Semantic roles & 50–950 ramp

primary

#B72D2A

secondary

#74C7C9

accent

#E2E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B72D2A

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

Preview Lab → · Contrast checker → · Palette generator →