#B72E33#B72E33

#B72E33 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.173 H 23.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B72E33
RGB	rgb(183, 46, 51)
HSL	hsl(358, 60%, 45%)
HSV	hsv(358, 75%, 72%)
CMYK	cmyk(0%, 74.9%, 72.1%, 28.2%)
CIE-LAB	lab(41.63, 54.36, 30.80)
CIE-LCH	lch(41.63, 62.48, 29.53°)
OKLab	oklab(51.79% 0.1585 0.0703)
OKLCH	oklch(51.79% 0.173 23.9)
XYZ	xyz(21.1054, 12.2635, 4.3871)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72E33 #2EB7B2

analogous

#B72E78 #B72E33 #B76D2E

triadic

#B72E33 #33B72E #2E33B7

tetradic

#B72E33 #78B72E #2EB7B2 #6D2EB7

square

#B72E33 #78B72E #2EB7B2 #6D2EB7

split-complementary

#B72E33 #2EB76D #2E78B7

monochromatic

#551518 #862225 #B72E33 #D34F54 #DF8084

Accessibility & contrast

On white

6.08

#B72E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B72E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72E33

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72E33	#FFFFFF	#000000	##FFFFFF
##B72E33	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#796D2E

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72e33;
/* rgb */ color: rgb(183, 46, 51);
/* oklch */ color: oklch(51.8% 0.173 23.9);

Tailwind

colors: {
  custom: {
    50: '#d5726b',
    500: '#b72e33',
    950: '#000000',
  },
}

SCSS

$custom: #b72e33;
$custom-light: #d5726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b72e33",
  "rgb": {
    "r": 183,
    "g": 46,
    "b": 51
  },
  "hsl": {
    "h": 357.81,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51786,
    "c": 0.1734,
    "h": 23.9
  },
  "luminance": 0.1226
}

Semantic roles & 50–950 ramp

primary

#B72E33

secondary

#79C8C5

accent

#E3DD45

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B72E33

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

Preview Lab → · Contrast checker → · Palette generator →