#B72B2B#B72B2B

#B72B2B is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.177 H 26.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B72B2B
RGB	rgb(183, 43, 43)
HSL	hsl(0, 62%, 44%)
HSV	hsv(0, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 76.5%, 28.2%)
CIE-LAB	lab(41.17, 55.02, 34.99)
CIE-LCH	lch(41.17, 65.20, 32.45°)
OKLab	oklab(51.41% 0.1589 0.0776)
OKLCH	oklch(51.41% 0.177 26)
XYZ	xyz(20.8308, 11.9727, 3.4992)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B2B #2BB7B7

analogous

#B72B71 #B72B2B #B7712B

triadic

#B72B2B #2BB72B #2B2BB7

tetradic

#B72B2B #71B72B #2BB7B7 #712BB7

square

#B72B2B #71B72B #2BB7B7 #712BB7

split-complementary

#B72B2B #2BB771 #2B71B7

monochromatic

#541414 #851F1F #B72B2B #D54B4B #E07C7C

Accessibility & contrast

On white

6.19

#B72B2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B72B2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B2B

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B2B	#FFFFFF	#000000	##FFFFFF
##B72B2B	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E29

Deuteranopia (green-blind)

#786C25

Tritanopia (blue-blind)

#CA002D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b2b;
/* rgb */ color: rgb(183, 43, 43);
/* oklch */ color: oklch(51.4% 0.177 26.0);

Tailwind

colors: {
  custom: {
    50: '#d67065',
    500: '#b72b2b',
    950: '#000000',
  },
}

SCSS

$custom: #b72b2b;
$custom-light: #d67065;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b2b",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 43
  },
  "hsl": {
    "h": 0,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51412,
    "c": 0.1768,
    "h": 26
  },
  "luminance": 0.11969
}

Semantic roles & 50–950 ramp

primary

#B72B2B

secondary

#75C9C9

accent

#E5E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B72B2B

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

Preview Lab → · Contrast checker → · Palette generator →