#B72F2C#B72F2C

#B72F2C is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.173 H 26.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B72F2C
RGB	rgb(183, 47, 44)
HSL	hsl(1, 61%, 45%)
HSV	hsv(1, 76%, 72%)
CMYK	cmyk(0%, 74.3%, 76%, 28.2%)
CIE-LAB	lab(41.67, 53.72, 34.95)
CIE-LCH	lch(41.67, 64.09, 33.05°)
OKLab	oklab(51.78% 0.155 0.0778)
OKLCH	oklch(51.78% 0.173 26.7)
XYZ	xyz(21.0020, 12.2854, 3.6479)
Luminance	0.1228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F2C #2CB4B7

analogous

#B72C6F #B72F2C #B7752C

triadic

#B72F2C #2CB72F #2F2CB7

tetradic

#B72F2C #6FB72C #2CB4B7 #752CB7

square

#B72F2C #6FB72C #2CB4B7 #752CB7

split-complementary

#B72F2C #2CB775 #2C6FB7

monochromatic

#541614 #862220 #B72F2C #D44F4C #E0807E

Accessibility & contrast

On white

6.08

#B72F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B72F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F2C

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F2C	#FFFFFF	#000000	##FFFFFF
##B72F2C	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F2A

Deuteranopia (green-blind)

#796D27

Tritanopia (blue-blind)

#CA0030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72f2c;
/* rgb */ color: rgb(183, 47, 44);
/* oklch */ color: oklch(51.8% 0.173 26.7);

Tailwind

colors: {
  custom: {
    50: '#d57266',
    500: '#b72f2c',
    950: '#000000',
  },
}

SCSS

$custom: #b72f2c;
$custom-light: #d57266;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f2c",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 44
  },
  "hsl": {
    "h": 1.295,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51783,
    "c": 0.17338,
    "h": 26.7
  },
  "luminance": 0.12282
}

Semantic roles & 50–950 ramp

primary

#B72F2C

secondary

#76C7C8

accent

#E1E443

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B72F2C

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

Preview Lab → · Contrast checker → · Palette generator →