#B72C2C#B72C2C

#B72C2C is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 25.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B72C2C
RGB	rgb(183, 44, 44)
HSL	hsl(0, 61%, 45%)
HSV	hsv(0, 76%, 72%)
CMYK	cmyk(0%, 76%, 76%, 28.2%)
CIE-LAB	lab(41.30, 54.74, 34.55)
CIE-LCH	lch(41.30, 64.73, 32.26°)
OKLab	oklab(51.51% 0.1582 0.0769)
OKLCH	oklch(51.51% 0.176 25.9)
XYZ	xyz(20.8862, 12.0538, 3.6092)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72C2C #2CB7B7

analogous

#B72C72 #B72C2C #B7722C

triadic

#B72C2C #2CB72C #2C2CB7

tetradic

#B72C2C #72B72C #2CB7B7 #722CB7

square

#B72C2C #72B72C #2CB7B7 #722CB7

split-complementary

#B72C2C #2CB772 #2C72B7

monochromatic

#541414 #862020 #B72C2C #D44C4C #E07E7E

Accessibility & contrast

On white

6.16

#B72C2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B72C2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C2C

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72C2C	#FFFFFF	#000000	##FFFFFF
##B72C2C	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2A

Deuteranopia (green-blind)

#796C27

Tritanopia (blue-blind)

#CA002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72c2c;
/* rgb */ color: rgb(183, 44, 44);
/* oklch */ color: oklch(51.5% 0.176 25.9);

Tailwind

colors: {
  custom: {
    50: '#d57165',
    500: '#b72c2c',
    950: '#000000',
  },
}

SCSS

$custom: #b72c2c;
$custom-light: #d57165;
$custom-dark: #000000;

JSON

{
  "hex": "#b72c2c",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 44
  },
  "hsl": {
    "h": 0,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51511,
    "c": 0.17587,
    "h": 25.9
  },
  "luminance": 0.1205
}

Semantic roles & 50–950 ramp

primary

#B72C2C

secondary

#76C8C8

accent

#E4E443

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72C2C

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

Preview Lab → · Contrast checker → · Palette generator →