#B72B3D#B72B3D

#B72B3D is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.7% C 0.175 H 19.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B72B3D
RGB	rgb(183, 43, 61)
HSL	hsl(352, 62%, 44%)
HSV	hsv(352, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 66.7%, 28.2%)
CIE-LAB	lab(41.43, 55.86, 24.47)
CIE-LCH	lch(41.43, 60.99, 23.66°)
OKLab	oklab(51.69% 0.1654 0.0579)
OKLCH	oklch(51.69% 0.175 19.3)
XYZ	xyz(21.2369, 12.1352, 5.6381)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B3D #2BB7A5

analogous

#B72B83 #B72B3D #B75F2B

triadic

#B72B3D #3DB72B #2B3DB7

tetradic

#B72B3D #83B72B #2BB7A5 #5F2BB7

square

#B72B3D #83B72B #2BB7A5 #5F2BB7

split-complementary

#B72B3D #2BB75F #2B83B7

monochromatic

#54141C #851F2C #B72B3D #D54B5C #E07C89

Accessibility & contrast

On white

6.13

#B72B3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B72B3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B3D

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B3D	#FFFFFF	#000000	##FFFFFF
##B72B3D	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F3D

Deuteranopia (green-blind)

#776C39

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72b3d;
/* rgb */ color: rgb(183, 43, 61);
/* oklch */ color: oklch(51.7% 0.175 19.3);

Tailwind

colors: {
  custom: {
    50: '#d47172',
    500: '#b72b3d',
    950: '#000000',
  },
}

SCSS

$custom: #b72b3d;
$custom-light: #d47172;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b3d",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 61
  },
  "hsl": {
    "h": 352.286,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51686,
    "c": 0.17527,
    "h": 19.3
  },
  "luminance": 0.12132
}

Semantic roles & 50–950 ramp

primary

#B72B3D

secondary

#75C9BE

accent

#E5D043

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160808

muted

#847B7B

Preview Lab

Preview with #B72B3D

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

Preview Lab → · Contrast checker → · Palette generator →