#B72D33#B72D33

#B72D33 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.174 H 23.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B72D33
RGB	rgb(183, 45, 51)
HSL	hsl(357, 61%, 45%)
HSV	hsv(357, 75%, 72%)
CMYK	cmyk(0%, 75.4%, 72.1%, 28.2%)
CIE-LAB	lab(41.51, 54.70, 30.66)
CIE-LCH	lch(41.51, 62.71, 29.27°)
OKLab	oklab(51.7% 0.1596 0.07)
OKLCH	oklch(51.7% 0.174 23.7)
XYZ	xyz(21.0668, 12.1863, 4.3743)
Luminance	0.1218 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72D33 #2DB7B1

analogous

#B72D78 #B72D33 #B76C2D

triadic

#B72D33 #33B72D #2D33B7

tetradic

#B72D33 #78B72D #2DB7B1 #6C2DB7

square

#B72D33 #78B72D #2DB7B1 #6C2DB7

split-complementary

#B72D33 #2DB76C #2D78B7

monochromatic

#551518 #862125 #B72D33 #D34E54 #DF7F83

Accessibility & contrast

On white

6.11

#B72D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B72D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D33

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72D33	#FFFFFF	#000000	##FFFFFF
##B72D33	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#786D2E

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72d33;
/* rgb */ color: rgb(183, 45, 51);
/* oklch */ color: oklch(51.7% 0.174 23.7);

Tailwind

colors: {
  custom: {
    50: '#d5716b',
    500: '#b72d33',
    950: '#000000',
  },
}

SCSS

$custom: #b72d33;
$custom-light: #d5716b;
$custom-dark: #000000;

JSON

{
  "hex": "#b72d33",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 51
  },
  "hsl": {
    "h": 357.391,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51696,
    "c": 0.17426,
    "h": 23.7
  },
  "luminance": 0.12183
}

Semantic roles & 50–950 ramp

primary

#B72D33

secondary

#78C8C5

accent

#E4DD44

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72D33

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

Preview Lab → · Contrast checker → · Palette generator →