#B72C31#B72C31

#B72C31 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.175 H 24.2°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B72C31
RGB	rgb(183, 44, 49)
HSL	hsl(358, 61%, 45%)
HSV	hsv(358, 76%, 72%)
CMYK	cmyk(0%, 76%, 73.2%, 28.2%)
CIE-LAB	lab(41.36, 54.94, 31.68)
CIE-LCH	lch(41.36, 63.42, 29.97°)
OKLab	oklab(51.58% 0.1599 0.0719)
OKLCH	oklch(51.58% 0.175 24.2)
XYZ	xyz(20.9859, 12.0936, 4.1344)
Luminance	0.1209 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72C31 #2CB7B2

analogous

#B72C76 #B72C31 #B76D2C

triadic

#B72C31 #31B72C #2C31B7

tetradic

#B72C31 #76B72C #2CB7B2 #6D2CB7

square

#B72C31 #76B72C #2CB7B2 #6D2CB7

split-complementary

#B72C31 #2CB76D #2C76B7

monochromatic

#541417 #862024 #B72C31 #D44C51 #E07E81

Accessibility & contrast

On white

6.14

#B72C31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B72C31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72C31

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72C31	#FFFFFF	#000000	##FFFFFF
##B72C31	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E30

Deuteranopia (green-blind)

#786C2C

Tritanopia (blue-blind)

#C90030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72c31;
/* rgb */ color: rgb(183, 44, 49);
/* oklch */ color: oklch(51.6% 0.175 24.2);

Tailwind

colors: {
  custom: {
    50: '#d57169',
    500: '#b72c31',
    950: '#000000',
  },
}

SCSS

$custom: #b72c31;
$custom-light: #d57169;
$custom-dark: #000000;

JSON

{
  "hex": "#b72c31",
  "rgb": {
    "r": 183,
    "g": 44,
    "b": 49
  },
  "hsl": {
    "h": 357.842,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51578,
    "c": 0.1753,
    "h": 24.2
  },
  "luminance": 0.1209
}

Semantic roles & 50–950 ramp

primary

#B72C31

secondary

#76C8C5

accent

#E4DF43

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72C31

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

Preview Lab → · Contrast checker → · Palette generator →