#B72B2C#B72B2C

#B72B2C is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.177 H 25.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B72B2C
RGB	rgb(183, 43, 44)
HSL	hsl(360, 62%, 44%)
HSV	hsv(360, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 76%, 28.2%)
CIE-LAB	lab(41.18, 55.06, 34.42)
CIE-LCH	lch(41.18, 64.93, 32.01°)
OKLab	oklab(51.42% 0.1592 0.0767)
OKLCH	oklch(51.42% 0.177 25.7)
XYZ	xyz(20.8494, 11.9802, 3.5970)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B2C #2BB7B6

analogous

#B72B72 #B72B2C #B7702B

triadic

#B72B2C #2CB72B #2B2CB7

tetradic

#B72B2C #72B72B #2BB7B6 #702BB7

square

#B72B2C #72B72B #2BB7B6 #702BB7

split-complementary

#B72B2C #2BB770 #2B72B7

monochromatic

#541414 #851F20 #B72B2C #D54B4C #E07C7D

Accessibility & contrast

On white

6.18

#B72B2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72B2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B2C

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B2C	#FFFFFF	#000000	##FFFFFF
##B72B2C	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)

#564E2A

Deuteranopia (green-blind)

#786C27

Tritanopia (blue-blind)

#CA002D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b2c;
/* rgb */ color: rgb(183, 43, 44);
/* oklch */ color: oklch(51.4% 0.177 25.7);

Tailwind

colors: {
  custom: {
    50: '#d67065',
    500: '#b72b2c',
    950: '#000000',
  },
}

SCSS

$custom: #b72b2c;
$custom-light: #d67065;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b2c",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 44
  },
  "hsl": {
    "h": 359.571,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51424,
    "c": 0.17667,
    "h": 25.7
  },
  "luminance": 0.11977
}

Semantic roles & 50–950 ramp

primary

#B72B2C

secondary

#75C9C8

accent

#E5E443

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72B2C

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

Preview Lab → · Contrast checker → · Palette generator →